几何
三角形、圆、解析几何与证明题。
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side of the triangle below has been extended to form an exterior angle …
\(x = 36\)
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which greek mathematician wrote the most definitive text on geometry, o…
C. Euclid
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does the graph have a minimum or a maximum? minimum maximum 10/50
maximum
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the diameter of the pizza is 10 inches. what is the radius of the pizza…
Radius of the Pizza: 10 inches Diameter of the Pizza: 20 inches Circumference of the Pizza: 62.8 inches Area of the Pizza: 314 square inches
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a parabola has a vertex at (-3,2). where is the axis of symmetry? y = -…
$x=-3$
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drag each label to the correct location on the image. each label can be…
Based on vertical - angle and supplementary - angle properties, fill in the unknown angles in the image using the given angle measures \(70^{\circ},115^{\circ},105^{\circ},45^{\ci…
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use the sum and difference identities to rewrite the following expressi…
$\cos(\frac{2\pi}{15})$
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type the correct answer in the box. in the figure, a square is inside a…
9.9 7.1
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solve the inequality. 8 + 10f > 14 - 2f solution: graph the solution.
$f>\frac{1}{2}$; The graph should have an open - circle at $\frac{1}{2}$ (since the inequality is strict, >) and an arrow pointing to the right.
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select the correct answer. in the figure, angle k measures 45°. what is…
B. 45°
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13 select the correct answer from each drop - down menu. in the figure,…
\(x = 95^{\circ}\), \(y = 137^{\circ}\), \(z = 128^{\circ}\)
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select the correct answers. line segment bd divides trapezoid abce into…
D. 96 units
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solve the inequality. -3 ≤ 1 - 8v solution: -0.5 graph the solution.
The solution of the inequality is $v\leq0.5$. On the number - line, we represent this by shading all the values to the left of and including 0.5. We use a closed circle at 0.5 to …
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select the correct answer from each drop - down menu. find the approxim…
The approximate length of segment WX is $4.47$ units. The approximate length of segment XY is $2$ units. The approximate length of segment YZ is $4$ units. The approximate perimet…
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select the correct answer. a parallelogram has vertices at (-5, -1), (-…
C. 12.32 units
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select the correct answer. one leg of a right triangle is 10 units, and…
A. about 7 units
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type the correct answer in the box. use numerals instead of words. if n…
$1:1$
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use the sum and difference identities to rewrite the following expressi…
$\tan(\frac{3\pi}{4}-\frac{3\pi}{14})$
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select the correct image. for which triangle does the equation 4^2 + 4^…
The second triangle from the left.
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which professionals most directly use geometry in their work? a. accoun…
B. astronomers
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type the correct answer in the box. spell all words correctly. consider…
pyramid
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△kjl≅△rsq. what is m∠j?
63
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select the correct answer. what is the approximate distance between poi…
D. 8.25 units
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select the correct answer. lmn is an isosceles triangle. what is the ap…
C. The approximate length of side LM is 6.4 units, and the approximate perimeter of triangle LMN is 22.8 units.
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solve the inequality. -2d - 2 < 3d + 8 solution: graph the solution.
\(d > - 2\); For the graph, we use an open - circle at \(-2\) (since the inequality is strict, \(d eq - 2\)) and an arrow pointing to the right on the number line.
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use the sum and difference identities to rewrite the following expressi…
$\tan(95^{\circ})$
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suppose antonio runs a small business that manufactures shirts. assume …
Total revenue points: $(0,0),(1,25),(2,50),(3,75),(4,100),(5,125),(6,150),(7,175)$ Profit points: $(0, - 20),(1,-15),(2,0),(3,20),(4,35),(5,45),(6,50),(7,45)$
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drag the tiles to the correct boxes to complete the pairs. not all tile…
$(3,-1)$ and $(5,4)$ $\to$ 5.39 units $(2,3)$ and $(4,5)$ $\to$ 2.83 units $(-5,7)$ and $(8,5)$ $\to$ 13.15 units $(-2,4)$ and $(3,-1)$ $\to$ 7.07 units
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a frequent problem in surveying city lots and rural lands adjacent to c…
4308
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suppose antonio runs a small business that manufactures shirts. assume …
To plot total revenue: blue points at $(0,0),(1,25),(2,50),(3,75),(4,100),(5,125),(6,150),(7,175)$ To plot profit: green points at (values calculated as above, e.g., if using assu…
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based on the given figure, find the following values of trigonometric f…
$\sin\alpha=\frac{4}{9}$, $\sin\beta=\frac{8}{9}$, $\cos\alpha=\frac{8}{9}$, $\cos\beta=\frac{4}{9}$, $\tan\alpha=\frac{1}{2}$, $\tan\beta = 2$, $\sec\alpha=\frac{9}{8}$, $\csc\al…
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misha writes the following proof that two distinct lines, (l) and (n), …
Misha did all steps correctly.
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parallel and perpendicular lines quick check briella is trying to remem…
Slope is the ratio of rise over run. When given two points, you can determine the rise by finding the difference between the y - coordinates. You can determine the run by finding …
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solve the inequality. 12.6≥−6(a + 2) solution: graph the solution.
$a\geq - 4.1$; The graph should have a closed circle at - 4.1 and an arrow pointing to the right.
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fill in the blank with the correct term. (1 point) the of a conditional…
converse
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the figure below consists of a semi - circle and a rectangle. what is t…
C. $50 + 12.5\pi$
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a circle has an area of approximately 28.27 square centimeters. which m…
D. 3 cm
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a circle has a radius of 10 inches. the circumference of the circle is …
C. $\frac{c}{20}$
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a circular marble tabletop has a diameter of 42 inches. which measureme…
B. 1385 in²
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the circumference of a circle is b inches. the radius of the same circl…
C. $\frac{B}{9}$
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the concept of liberal arts has existed since the time of ancient greec…
1. A. where it is now 2. G. broad 3. B. consistently mirrored
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solve the linear inequality for k. graph your answer in the number line…
$k < 7$ On the number - line, we have an open - circle at 7 and the line extends to the left of 7.
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solve the linear inequality for b and graph the answer in the number li…
The solution in inequality notation is $b > 7$. On the number - line, you would have an open circle at 7 (since 7 is not included in the solution) and an arrow pointing to the rig…
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behind the cape and sent a long brilliant pathway quivering athwart the…
D. All of the choices
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question 2 2.1 find all complex numbers x such that x³ + 1 = 0. give th…
2.1. $x_1=\cos\frac{\pi}{3}+j\sin\frac{\pi}{3},x_2=\cos\pi+j\sin\pi,x_3=\cos\frac{5\pi}{3}+j\sin\frac{5\pi}{3}$ 2.2. $(0,5)$ 2.3. $x = 2,y=-7$ 2.4. It is a circle with center $(0,…
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question 19 (2.5 points) a key role of social services agencies and oth…
Question 19: B. crisis intervention Question 20: C. self - help groups
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show your solutions. 1. what are the center and radius of (a) $x^{2}+y^…
1. (a) Center: $(0,0)$, Radius: $\sqrt{26}$ (b) Center: $(-5,4)$, Radius: $2\sqrt{3}$ 2. $x^{2}+y^{2}=16$
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question 12 (2.5 points) parents anonymous, circle of parents, tough lo…
B. self - help mutual support programs
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question 2 2.1 find all complex numbers x such that $x^{3}+1 = 0$. give…
2.1: $x_1=\cos\frac{\pi}{3}+i\sin\frac{\pi}{3}$, $x_2=\cos\pi+i\sin\pi$, $x_3=\cos\frac{5\pi}{3}+i\sin\frac{5\pi}{3}$ 2.2: $(0,5)$ 2.3: $x = 2$, $y=-7$ 2.4: Circle with center $(0…
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what is the equation of a line through the center of (x - 3)^2+(x + 2)^…
$7x + 5y=11$
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a circle has the equation x² + y² + 3x + 6y + 9 = 0. (a) find the cente…
(a) Center \((h,k)=(-\frac{3}{2},-3)\), radius \(r=\frac{3}{2}\) (b) To graph the circle, plot the center \((-\frac{3}{2},-3)\) and then draw a circle with radius \(\frac{3}{2}\) …
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for the equation x² + y² - 6x - 2y - 6 = 0, do the following. (a) find …
(a) Center: \((3,1)\), Radius: \(r = 4\) (b) (Graphing is not possible to show in this text - based format, but you can use graphing software like Desmos with the equation \((x - …
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for the equation x² + y² - 6x - 2y - 6 = 0, do the following. (a) find …
$(3,1)$
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a circle has the equation 2(x - 2)^2+2y^2 = 2. (a) find the center (h,k…
(2,0) For part (b), to graph the circle: 1. Plot the center at the point $(2,0)$. 2. Since the radius $r = 1$, from the center, move 1 unit up, down, left, and right to get points…
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a circle has the equation x² + y² = 16. (a) find the center (h,k) and r…
(a) $(0,0)$ (b) To graph the circle, plot the center at the origin $(0,0)$ and then use the radius $r = 4$ to draw all the points that are 4 units away from the center. (c) x - in…
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c is the image of the point c after a reflection. c(-4, 4) → c(-4, -4) …
A. $x$-axis
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write the coordinates of the vertices after a rotation 90° counterclock…
$K'(-10,4)$ $L'(-10,6)$ $M'(-2,5)$
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find the missing measurements for each circle. the diameter of the circ…
Radius: 9.00 cm, Circumference: 56.52 cm
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the circumference of the circle is 66 cm, and point c is the center. fi…
Radius: approximately $10.51$ cm, Diameter: approximately $21.02$ cm
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the circumference of circle b is 41 cm. find the approximate length of …
Radius: $6.53$ cm, Diameter: $13.06$ cm
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find the missing measurements for each circle. you can use 3.14 as an a…
Diameter: 4.4 cm, Circumference: 13.82 cm
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what is the approximate perimeter of the entire shape? the perimeter of…
22.85
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write the equation in the form $(x - h)^2+(y - k)^2 = c$. then, if the …
The equation in standard form is $(x + 5)^2+y^{2}=261$. The center is $(-5,0)$ and the radius is $\sqrt{261}$.
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write the equation in the form (x - h)^2+(y - k)^2 = c. then, if the eq…
The equation in the form $(x - h)^2+(y - k)^2=c$ is $(x - 3)^2+(y - 6)^2 = 4$. The center is $(3,6)$ and the radius is $2$.
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determine a series of transformations that would map figure q onto figu…
A translation 17 units to the left followed by a 90 - degree counter - clockwise rotation about the origin.
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given a circle where the center is (-4, -6) and another point on the ci…
(a) \((x + 4)^2+(y + 6)^2 = 25\) (b) To graph the circle: 1. Locate the center \((-4,-6)\) on the coordinate - plane. 2. Since the radius \(r = 5\) (from part (a) as \(r^{2}=25\))…
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question determine a series of transformations that would map figure j …
Translation 8 units to the left followed by a translation 6 units up.
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the endpoints of a diameter of a circle are (-8, -8) and (4, -24). (a) …
(a) \((x + 2)^2+(y + 16)^2 = 100\) (b) To graph the circle: 1. Identify the center \((h,k)=(-2,-16)\). 2. The radius \(r = 10\). Plot the center point on the coordinate - plane. T…
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given a circle with center (6, 2) and radius $sqrt{19}$, (a) write an e…
(a) $(x - 6)^2+(y - 2)^2=19$ (b) To graph the circle: 1. Locate the center of the circle at the point $(6,2)$ on the coordinate - plane. 2. From the center, use the radius $r = \s…
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given a circle with center (1, -3) and radius 1, (a) write an equation …
(a) $(x - 1)^2+(y + 3)^2=1$ (b) To graph the circle: 1. Locate the center $(1,-3)$ on the coordinate - plane. 2. From the center, move 1 unit in all directions (up, down, left, an…
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determine the center and radius of the circle. $(x - 6)^2+(y - 7)^2 = 2…
Center: $(6,7)$; Radius: $5$
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is the point (-6, 12) on the circle defined by (x + 10)^2+(y - 2)^2=9? …
B. No
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in the figure below, points a, e, f, and c lie in plane x. points b and…
(a) \(B\), \(D\) (b) \(\overleftrightarrow{AC}\) (c) \(F\), \(C\) (d) \(ACE\)
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hector is building a metal sculpture in the shape of an equilateral tri…
# Explicación: ## Paso 1: Comprender la relación entre el perímetro y el lado En un triángulo equilátero, el perímetro $x$ se divide en 3 lados iguales. Cada lado es $\frac{x}{3}$…
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estimate the x- and y-intercepts from the graph.
x - intercepts: approximately - 3 and 3; y - intercepts: approximately - 8 and 1
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given the figure below, find the values of x and z. (10x - 51)° 89° z° …
\(x = 14\) \(z = 91\)
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given the figure below, find the values of x and z. (10x - 51)° 89° z° …
\(x = 14\) \(z = 91\)
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determine a series of transformations that would map figure l onto figu…
A translation 9 units up followed by a translation 7 units to the right.
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given the figure below, find the values of x and z. (15x - 52)° (10x - …
$x = 11$ $z = 113$
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given the figure below, find the values of x and z.
$x = 3$ $z = 94$
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determine a series of transformations that would map figure l onto figu…
A translation 6 units to the right and 10 units up would map Figure L onto Figure M.
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assume that the units shown in the grid are in feet. (a) determine the …
(a) Length: \(\sqrt{41}\) feet, Width: \(\sqrt{2}\) feet (b) Perimeter: \((2\sqrt{41}+2\sqrt{2})\) feet, Area: \(\sqrt{82}\) square - feet
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answer attempt 1 out of 2 a rotation of 90° clockwise about the origin …
5
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for the points (5, 4) and (2, 1), (a) find the exact distance between t…
(a) $3\sqrt{2}$ (b) $(\frac{7}{2},\frac{5}{2})$
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question draw in all lines of symmetry in the shape below. if there are…
There are no lines of symmetry for the given shape.
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the figure below has rotational symmetry. 30° is the smallest possible …
$30^{\circ}$
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for the points (8, - 9) and (2, - 7), (a) find the exact distance betwe…
(a) $2\sqrt{10}$ (b) $(5,-8)$
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the figure below has rotational symmetry. ° is the smallest possible ro…
90
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question: triangle mno and triangle cnd are drawn below. use the dropdo…
$MN$
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question triangle mno and triangle cnd are drawn below. use the dropdow…
A rotation about point N.
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question: triangle hij and triangle xyz are drawn below. use the dropdo…
A reflection over a line (the specific line would need more information about the coordinate - plane or reference points to be determined precisely) would map triangle HIJ onto tr…
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question what is the image of the point (-5, 6) after a rotation of 90°…
$(-6,-5)$
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for the figure below, give the following. (a) one pair of angles that f…
(a) $\angle1$ and $\angle2$ (b) $\angle1$ and $\angle3$ (c) $\angle5$ and $\angle6$
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(a) an angle measures 87°. what is the measure of its supplement? (b) a…
measure of the supplement: $93^{\circ}$ measure of the complement: $48^{\circ}$
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(a) an angle measures 91°. what is the measure of its supplement? (b) a…
measure of the supplement: $89^{\circ}$ measure of the complement: $53^{\circ}$
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in the figure below, (mangle1=(x + 96)^{circ}) and (mangle2 = 3x^{circ}…
$m\angle1 = 117^{\circ}$, $m\angle2 = 63^{\circ}$
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in the figure below, (mangle1 = 2x^{circ}) and (mangle2=(x + 63)^{circ}…
$m\angle1 = 78^{\circ}$ $m\angle2 = 102^{\circ}$
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in the figure below, (mangle1 = 6x^{circ}) and (mangle2=(x - 8)^{circ})…
$m\angle1 = 84^{\circ}$ $m\angle2 = 6^{\circ}$
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for the following right triangle, find the side length x. round your an…
$9.80$
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use the figure to complete each part. (a) name the vertex of ∠1. (b) na…
(a) F (b) $\overrightarrow{FG}$, $\overrightarrow{FE}$ (c) ∠EFH, ∠HFE