幾何
三角形、圓、解析幾何與證明題。
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question 9 of 10 if you add the lengths of the focal radii of an ellips…
A. \(2a\)
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graph the piece - wise function given below. f(x)=\begin{cases}|x|-4&\t…
Graph \(y = |x|-4\) for \(-7\leq x < 4\) (a V - shaped graph with vertex at \((0, - 4)\) and endpoints \((-7,3)\) and an open - circle at \((4,0)\)) and \(y=-x\) for \(4\leq x\leq…
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unit 2 cumulative practice set 3: volume of right rectangular prisms so…
a. (Since no picture - drawing tool is available in text, we can describe the labeling: On the longer side of the base label 4 inches, on the shorter side of the base label 2 inch…
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question 8 of 10 which of the following is the equation of an ellipse c…
A. \(\frac{(x - 5)^2}{9}+\frac{(y - 1)^2}{4}=1\)
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use the drop - down menus to explain if the two figures below are congr…
The two figures are neither congruent nor similar.
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question 7 of 10 which of the following equations represents an ellipse…
C. \(\frac{(x - 2)^{2}}{40}+\frac{(y - 2)^{2}}{49}=1\)
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question 6 of 10 what are the coordinates of the center of the ellipse …
D. $(1,-5)$
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answer attempt 1 out of 3 figure qrstu is not congruent to figure jklmn…
The scale factor from Figure QRSTU to Figure JKLMN is the ratio of the lengths of corresponding sides of the two similar figures.
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name the shape with eight sides and eight angles.
Octagon
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question 5 of 10 how long is the minor axis for the ellipse shown below…
D. 4
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question 4 of 10 what is the length of the major axis of the ellipse sh…
D. 8
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question 3 of 10 which of the following correctly represents the coordi…
C. \((7,-3\pm2\sqrt{3})\)
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find the measure of the missing angles. answer attempt 4 out of 5 d = °…
$d = 105^{\circ}$ $e = 75^{\circ}$ $f = 148^{\circ}$
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given △abc≅△efg, what is the value of x? x = 45° x = 50° x = 85° x = 13…
# Explicación: ## Paso 1: Recordar la propiedad de triángulos congruentes Los ángulos correspondientes de triángulos congruentes son iguales. Supongamos que el ángulo de $50^{\cir…
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question 2 of 10 what is the eccentricity of the ellipse shown below? \…
D. $\frac{\sqrt{3}}{4}$
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question 1 of 10 which of the following expressions represents the ecce…
D. None of the above are correct.
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given △abc≅△efg, which congruency statement is true? ○ ec≅bf ○ ac≅eg ○ …
B. $\overline{AC}\cong\overline{EG}$
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question 10 of 10 which equation describes the circle having center poi…
D. $(x - 3)^2+(y - 7)^2=16$
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the figure on the right is a scaled copy of the figure on the left. ans…
Which side corresponds to segment $PO$: $IH$ What is the scale factor: $\frac{1}{3}$
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question 9 of 10 identify the center and radius of the circle (x + 4)^2…
D. Center: (-4, 2), r = 4
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given quadrilateral abcd ≅ quadrilateral efgh, what is the value of x? …
# Explicación: ## Paso 1: Recuerda la propiedad de figuras congruentes Las figuras congruentes tienen ángulos correspondientes iguales. ## Paso 2: Identifica ángulos correspondien…
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question 8 of 10 what is the value of a for the following circle in gen…
$8$
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question 7 of 10 what is the equation of the given circle? a. (x + 2)^2…
D. $(x - 2)^2+(y - 1)^2=1$
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graph the piece - wise function given below. f(x)=\begin{cases}-x&\text…
Graph a line segment $y=-x$ for $-3<x<4$ (open - circles at $(-3,3)$ and $(4,-4)$) and a V - shaped part of $y=\vert x - 5\vert+4$ for $4<x<7$ (open - circles at $(4,5)$ and $(7,6…
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given quadrilateral abcd ≅ quadrilateral efgh, which statement is true?…
# Explanation: ## Paso 1: Comprender la congruencia de cuadriláteros Cuando dos cuadriláteros son congruentes, sus lados correspondientes son congruentes. En $ABCD\cong EFGH$, los…
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question 6 of 10 what is the radius of a circle with the equation $x^{2…
$3.742$
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question 5 of 10 the circle given by $x^{2}+y^{2}-2y - 11=0$ can be wri…
$1$
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question 4 of 10 the graph of a degenerate circle is a ____. a. circle …
B. point
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which of the following graphs matches the circle defined by this equati…
C.
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question 2 of 10 what is the radius for the circle given by the equatio…
$3.742$
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what is the value of x? ○ x = 55° ○ x = 60° ○ x = 70° ○ x = 110°
$x = 70^{\circ}$
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question 1 of 10 which of the following is a degenerate circle? a. $x +…
C. $(x - 4)^2+(y - 2)^2=0$
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the figure on the right is a scaled copy of the figure on the left. ans…
The side that corresponds to segment $CF$ is $OP$. The scale factor is $\frac{1}{2}$.
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look at this shape: which image shows a reflection? a b c a b c submit …
C
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9. here is the whole floor that zahras office is on. each room is a sca…
200 square feet
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look at this shape: which image shows a rotation? a b c
B. Option B shows a rotation.
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the figure on the right is a scaled copy of the figure on the left. ans…
Which side corresponds to segment $GE$: $NL$ What is the scale factor: $\frac{1}{3}$
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what is the value of x? x = 45° x = 65° x = 70° x = 115°
# Explicación: ## Paso 1: Recordar la suma de ángulos internos de un triángulo La suma de los ángulos internos de un triángulo es 180°. ## Paso 2: Sumar los ángulos dados y restar…
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look at this shape: which image shows a rotation? a b c a b c
B.
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look at this shape: which image shows a reflection? a b c a b c
B.
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look at this shape: which image shows a reflection? a b c a b c
B.
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triangle abc with vertices a(2, 4), b(4, 0), and c(6, 6) is dilated abo…
# Explicación: ## Paso 1: Identificar coordenadas originales y dilatadas Coordenadas de \(A(2,4)\), \(B(4,0)\), \(C(6,6)\). Supongamos que de la gráfica, \(A'(4,8)\), \(B'(8,0)\),…
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8. here is a scale drawing of lafayette square in washington, d.c. the …
The actual dimensions of Lafayette Square are 800 feet by 500 feet.
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look at this shape: which image shows a translation? a b c a b c submit
C
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the figure on the right is a scaled copy of the figure on the left. ans…
The side that corresponds to segment $JK$ is $XV$. The scale factor is $\frac{1}{2}$.
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the figure on the right is a scaled copy of the figure on the left. ans…
The side that corresponds to segment $JK$ is $XV$. The scale factor is $\frac{1}{2}$.
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12. name two adjacent angles. 13. name two vertical angles. 14. find m∠…
12. $\angle USW$ and $\angle WSM$, $\angle QSR$ and $\angle RSP$ 13. $\angle QSN$ and $\angle RSP$, $\angle QSR$ and $\angle NSP$ 14. $32^{\circ}$
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write the length in inches.
3 inches
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the perimeter of the triangle shown is 481 feet. find the length of eac…
44 feet, 176 feet, 261 feet
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problems 5 - 7: jada is looking at a map of a square park that has a sc…
5. 12.5 cm 6. 1600 feet 7. 3.3 times
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this is the look at one cube that is turned around a few times. this pa…
From top - left, going clock - wise and then filling the middle row: G, C, T, S, K, J (starting from the box above G and moving around the cross - shaped net and then filling the …
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carlos constructed the angle bisector of ∠jki by constructing ray km. c…
The measurement of ∠NKI is 14 degrees.
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8. rectangle jklm has a length of 7x - 3 and width of 2x + 5. which exp…
$18x + 4$
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write + or - in the circles. 8 〇 2 = 2 〇 4 3 〇 1 〇 4 = 4 〇 8 〇 6
$8 - 2 = 2 + 4$; $3 - 1+4 = 4 + 8 - 6$
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a scale - drawing of a lake has a scale of 1 cm to 80 m. if the actual …
12.5 cm
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find the lengths of a, b, c, and d shown in the figure below if a + b =…
$a\approx3.8$ $b\approx23.2$ $c\approx5.9$ $d\approx23.9$
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find the lengths of w, x, y, and z shown in the figure below if xy = 65…
$w\approx12.5$ $x\approx14.3$ $y\approx4.5$ $z\approx27.4$
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find the lengths of r, s, t, and u shown in the figure below if s + t =…
$r\approx61.2$ $s\approx26.0$ $t = 0$ $u\approx66.5$
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a graph of circumference vs. diameter yields a numerical slope of π. wh…
The string will stand approximately 2.39 feet above the Earth.
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find the lengths of w, x, y, and z shown in the figure below if wy = 60…
\(w = 3.6\) \(x = 4.8\) \(y = 16.7\) \(z = 17.4\)
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name: date: part a: identify the linking verb circle the linking verb i…
1. is 2. was 3. smell 4. will be 5. are
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translate triangle abc 5 units up. start by plotting point a.
Plot the new point $A'$ which is 5 units above point $A$ on the grid.
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find the lengths of r, s, t, and u shown in the figure below if r + s =…
$r\approx14.4$ $s\approx23.6$ $t = 23$ $u\approx32.9$
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find the lengths of a, b, c, and d shown in the figure below if ac = 40…
$a\approx5.9$ $b\approx11.6$ $c\approx6.8$ $d\approx17.2$
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arun followed the following instructions. - draw an angle using a strai…
angle - bisector
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the midpoint m of rs has coordinates (8.5, 9). point s has coordinates …
$(1,13)$
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find the lengths of a, b, c, and d shown in the figure below if a + b =…
$a\approx2.9$ $b\approx18.1$ $c\approx4.1$ $d\approx18.6$
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the mid - point of $overline{rs}$ is $m(-0.5, - 4)$. one endpoint is $s…
$R=(-1,-5)$
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the midpoint m of jk has coordinates (-13, 13). point k has coordinates…
$(-10,6)$
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in the figure below, △xyz ~ △cab. find tan a, sin a, and cos a. round y…
$\tan A\approx2.14$ $\sin A\approx0.91$ $\cos A\approx0.42$
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isha constructed ∠xyz and needs to double the angle by constructing a c…
He must measure the distance between point $X$ and point $Z$ using a compass.
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fg has a mid - point at m(20, 15.5). point g is at (20, 19). find the c…
$(20,12)$
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3. transform the sentences into the other two degrees. a. no other baby…
a. Comparative: Nanda is taller than any other baby. Superlative: Nanda is the tallest baby. b. Comparative: My bangle is prettier than any other bangle. Superlative: My bangle is…
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in the figure below, △abc ~ △zxy. find sin z, tan z, and cos z. round y…
$\sin Z\approx0.32$, $\tan Z\approx0.34$, $\cos Z\approx0.95$
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find the measure of each angle. 2x + 3= 18x + 7= (simplify your answers…
$2x + 3=11^{\circ}$ $18x + 7=79^{\circ}$
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problems 1 - 4: here is part of a scale drawing of zahras office. the s…
1. 5 feet by 10 feet 2. 50 square feet 3. 1.2 cm 4. No. The area of Zahra's office is 50 square feet and the area of Fabiana's office is 200 square feet. Fabiana's office is 4 tim…
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what is the construction that needs to be done to make a copy of ∠bac? …
Using a compass, measure the length from point $B$ to point $C$. Then, make another arc by placing the pointed end of the compass on point $Q$ and draw a small arc that intersects…
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directions: for each sentence, circle the simple subject. underline the…
1. Circle: father, I; Underline: were walking 2. Circle: Bob; Underline: walked 3. Circle: father; Underline: hated 4. Circle: He; Underline: saw 5. Circle: He; Underline: told 6.…
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in the figure below, △xyz ~ △acb. find cos b, sin b, and tan b. round y…
\(\cos B\approx0.88\) \(\sin B\approx0.47\) \(\tan B\approx0.53\)
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in the figure below, △abc ~ △xzy. find sin z, tan z, and cos z. round y…
$\sin Z\approx0.75$ $\tan Z\approx1.15$ $\cos Z\approx0.66$
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lexi started with cd on her paper. she folded her paper so that point c…
$\overleftrightarrow{QR}$
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sin z = tan z = cos z =
\(\sin Z=\frac{55}{73}\), \(\tan Z=\frac{55}{48}\), \(\cos Z=\frac{48}{73}\)
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on a line segment, m is between l and n. if lm = 11, mn = x - 7, and ln…
4
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complete the statements the slope of line n is zero the slope of line w…
The slope of Line N is 0. The slope of Line W is 1. The slope of Line Q is - 1.
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geometry basics geometry basics unit test thuy examines the figure in t…
She must measure the distance from point $N$ to point $O$ using a compass and place the compass on point $P$ to see if point $Q$ is the same distance.
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15. y raised to the fourth power. 16. one - fourth of a number. 17. x d…
15. $y^4$ 16. $\frac{1}{4}x$ 17. $\frac{x}{3}$ 18. $x + 10$ 19. $y-5$ 20. $\frac{1}{2}x$ 21. $y + 2$ 22. $3x$ 23. $\frac{x}{3}$ 24. $8x$
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geometry basics unit test consider the following statement: a trapezoid…
2
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bc has endpoints at b(19.6, 16.1) and c(8.3, 8.2). find the midpoint m …
$(13.95,12.15)$
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what is the precise definition of the figure in the image? (1 point) a …
A line that intersects another line at a 90 - degree angle.
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what is the area of this figure? square meters
170
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use theorems about perpendicular lines to find the value of x in the gi…
19
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name: sclavo baseline exam date: period: enl transitioning instructions…
1. b 2. a 3. d 4. a 5. b 6. b 7. c
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what is the area of this figure? square feet
182
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fg has endpoints at f(85, -4) and g(60, -99). find the midpoint m of fg…
$(72.5,-51.5)$
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what is the area of this figure? square meters
215
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p(-80, -64) and q(67, 81) are the endpoints of a line segment. what is …
$M=(-6.5,8.5)$
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fg has endpoints at f(27, 15) and g(4, 52). find the mid - point m of f…
$(15.5,33.5)$
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directions: circle the best answer for each question. 9. which word has…
9. C. trustworthy 10. B. false 11. A. convenient 12. A. made the party seem wilder than it was
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find the value of the variable and the measure of each labeled angle. (…
$x = 15$, and the measure of the labeled angle is $30$
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on a line segment, f is between e and g. if ef = 12, fg = x + 14, and e…
33