幾何
三角形、円、座標幾何、証明問題。
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in the diagram below of triangle efg, h is the midpoint of (overline{eg…
$25$
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classify the lines as parallel, perpendicular, or neither. draw paralle…
Neither
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classify the lines as parallel, perpendicular, or neither.
Neither
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decide whether pairs of angles ∠1 and ∠2, ∠6 and ∠1, and ∠5 and ∠6 are …
D. Angles 1 and 2 are same - side interior angles.
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6. the graph represents gracies walk home from school. identify the x- …
(10,0)
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4. individual and market supply suppose that felix and janet are the on…
Left - ward shift; due to a non - price factor (exit of a producer)
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classify the lines as parallel, perpendicular, or neither.
Perpendicular
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solve for x and graph the solution on the number line below. 3 < x - 5 …
Inequality Notation: $x > 8$ Number Line: An open - circle at 8 and a line extending to the right.
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answer attempt 1 out of 2 which side in the figure on the right corresp…
The side that corresponds to segment $DB$ is $YX$. The scale factor is 2.
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among all rectangles that have a perimeter of 60, find the dimensions o…
Length: $15$, Width: $15$
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find the measure of angle f given the information below. a = 114° c = 6…
53°
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select the correct answer. to prepare for a triathlon, amanda starts fr…
A. $48.35^{\circ},94.94^{\circ},36.71^{\circ}$
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the figure on the right is a scaled copy of the figure on the left. ans…
The side in the figure on the right that corresponds to segment $WV$ is $EF$. The scale factor is 2.
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answer (6, 7.5) (0.8,0) (7.5, 6) (2,0) submit an
(7.5, 6)
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solve for x and graph the solution on the number line below. 18 < 10 + …
Inequality Notation: $x>8$ To graph on the number - line: Place an open circle at 8 (because 8 is not included in the solution set, since the inequality is strict) and draw an arr…
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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 UV is FH. The scale factor is 2.
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example 4 in the figure, m∠7 = 100°. find the measure of each angle. 21…
For problem 29: $x = 8$, $y=\frac{41}{3}$ For problem 30: $x = 10$, $y = 15$ For problem 31: $x=\frac{85}{4}$, $y=\frac{311}{16}$
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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 $WV$ is $ED$. The scale factor is 2.
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the measure of ∠5 is 110°. find the remaining angle measures. m∠6 = m∠7…
$m\angle6 = 70^{\circ}$ $m\angle7 = 110^{\circ}$ $m\angle8 = 70^{\circ}$
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the figure on the right is a scaled copy of the figure on the left. ans…
The side corresponding to segment MO is XV. The scale factor is \(\frac{1}{2}\).
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are the triangles below acute, obtuse, or right? triangle a triangle b …
Triangle A: Acute Triangle B: Right Triangle C: Obtuse Triangle D: Acute
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which is the best way to complete the text? francis scott key penned th…
Fort McHenry; he
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answer the questions about the figures below. figure a figure b figure …
(a) Figure C (b) Figure A, Figure B, Figure C (c) Figure B, Figure C
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diana works in a building that is 130 feet tall. she is outside, lookin…
$17.6$ ft
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a side of the triangle below has been extended to form an exterior angl…
\(x = 22\)
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m∠abc = 90° what type of angle is it? obtuse straight right acute
right
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m∠abc = 180° what type of angle is it? obtuse straight right acute
B. straight
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which statements are true regarding undefinable terms in geometry? chec…
A. A point has no length or width. B. A point indicates a location in a coordinate plane. F. A plane consists of an infinite set of lines. G. A line consists of an infinite set of…
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solve the inequality and graph the solution. $\frac{b}{2}<3$ to draw a …
The solution of the inequality is $b < 6$. On the number - line, plot an open circle at 6 (since the inequality is strict, i.e., $b$ cannot equal 6) and draw an arrow to the left …
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using the graph, determine the coordinates of the zeros of the parabola.
(4,0), (7,0)
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if a // b and e // f, what is the value of y? o 87 o 88 o 91 o 92
92
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the point p (-1,2) is rotated to become p (2,1). describe the rotation …
C. $-90^{\circ}$ rotation
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the coordinate point q (0, 10) is reflected over the y - axis. identify…
$(0,10)$
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scale factor:
4
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question a side of the triangle below has been extended to form an exte…
115
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write the coordinates of the vertices after a reflection over the x - a…
$E'(0,8)$ $F'(8,8)$ $G'(8,2)$ $H'(0,2)$
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2. in the following pair of images, △jkl is a scale drawing of △abc. a.…
a. The scale factor is 3. b. The equation is $f = 3d$. c. The length of $\overline{JL}$ is 9.
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look at this diagram: if $overleftrightarrow{bd}$ and $overleftrightarr…
# Explicación: ## Paso 1: Identificar ángulos adyacentes Los ángulos $\angle GFC$ y $\angle BCF$ son ángulos adyacentes suplementarios porque $\overleftrightarrow{BD}$ y $\overlef…
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use the diagram to the right to find the measures of the angles listed …
8. \(\angle PTQ = 30\) 9. \(\angle QTR=60 - 30=30\) 10. \(\angle PTS = 90 + 30=120\) The measure of \(m\angle RTP\) is \(30\)
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question 5 solve for x.
$60$
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identify a pair of corresponding angles. choose the correct answer belo…
D. ∠3 and ∠7
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6 describe a sequence of transformations that takes figure q to figure …
Translate Figure Q 5 units to the right and then reflect the resulting figure over the x - axis.
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given m||n, find the value of x.
$x = 14$
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find the circumference and area of the figure if each unit on the graph…
circumference: $14.0$ cm area: $15.7$ $cm^{2}$
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question: a side of the triangle below has been extended to form an ext…
115
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the right triangle below is dilated by a scale factor of $\frac{1}{4}$.…
Perimeter of given right triangle: $160$ units Perimeter of dilated right triangle: $40$ units Area of given right triangle: $960$ units² Area of dilated right triangle: $60$ unit…
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write an expression that represents the perimeter of the figure below. …
\(2s + 6t\)
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4. here are 4 triangles that have each been transformed by a different …
D
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scale factor:
2
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5. there is a sequence of rigid transformations that takes a to a, b to…
We agree with neither Diego nor Mai.
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given that eb bisects ∠cea, which statements must be true? select three…
$\angle CEF$ is a straight angle., $\angle AEF$ is a right angle.
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↔ce and ↔fh are parallel lines. which angles are supplementary angles? …
\(\angle FGD\) and \(\angle EDG\)
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8. if m∠5 = 22°, find m∠6
$68^{\circ}$
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for the following right triangle, find the side length x.
37
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what is the area of the shaded figure? square units
10
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solve for c
13
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1) reflection: across the x - axis
The new shape is obtained by reflecting each vertex of the original shape across the $x - axis$ using the rule $(x,y)\to(x, - y)$. The new vertices are the reflections of the orig…
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the square on the right is a scaled copy of the square on the left. ide…
$\frac{11}{3}$
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what is the measure of ∠x? angles are not necessarily drawn to scale.
$52$
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7.) given: $overline{ab}perpoverline{bc}$, $overline{dc}perpoverline{bc…
1. Statements: $\overline{AB}\perp\overline{BC}$, $\overline{DC}\perp\overline{BC}$; Reasons: Given 2. Statements: $\angle ABC = 90^{\circ}$, $\angle DCB=90^{\circ}$; Reasons: Def…
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would you use sss or sas to prove the triangles congruent? if there is …
C. The two triangles are not necessarily congruent. There is not enough information.
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the 3 circles in the diagram have centers a, b, and c. a. explain why s…
a. \(AB\) and \(AC\) are both radii of circle \(A\), so they have the same length. b. \(\triangle ABC\) is an equilateral triangle because \(AB = AC=BC\) as they are all radii of …
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question a side of the triangle below has been extended to form an exte…
115
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use the following information to answer questions 10 - 11. the polynomi…
We performed polynomial long - division of $2x^{3}+5x^{2}-28x - 15$ by $(x - 3)$ and got a remainder of $0$, so $(x - 3)$ is a factor of $g(x)$. ### 11.
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a side of the triangle below has been extended to form an exterior angl…
\(37^{\circ}\)
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find the y - intercept and the x - intercept of the line below. click o…
(a) y - intercept: -4 (b) x - intercept: -3
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determine the translation. use non - negative numbers. a translation by…
A translation by 6 units to the left and 5 units up.
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6) rotation 180° about the origin
Use the rule $(x,y)\to(-x,-y)$ for each vertex of the figure to find the new vertices and draw the rotated figure.
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given m||n, find the value of x. answer attempt 1 out of 2 x =
\(x = 26\)
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for the purpose of purchasing new baseboard and carpet, complete parts …
a. Area: 72 square - feet; Perimeter: 34 feet b. C. The baseboard has to do with perimeter and the carpet has to do with area.
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question 4 of 5 two points a(1, 3) and b(8, 8) are on opposite sides of…
$4.30$
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line r intersects lines p and q. for what value of x are lines p and q …
$16.8$
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the length of a rectangle is six times its width. if the perimeter of t…
length: 54 ft width: 9 ft
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question 12 solve for x. (11x - 65)° 78°
\(x = \frac{89}{11}\)
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the blue figure is a dilation of the red figure. identify the type of d…
The dilation is a reduction. The scale factor is \(\frac{1}{2}\)
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to find the value of cos θ, first use the pythagorean theo $sqrt{360^{2…
$\frac{3}{5}$
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classify the triangle in the cartesian plane below by using the distanc…
The triangle is isosceles.
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solve for x. show all steps to solve. upload a file of your work. (4x +…
\(x = 8\)
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tan θ = y/360 sec²θ dθ/dt = 1/360 dy/dt because sec θ = 1/cos θ, this e…
600
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directions: complete each proof. 1. given: (mangle4 + mangle7 = 180^{ci…
| Statements | Reasons | |--|--| | $m\angle4 + m\angle7 = 180^{\circ}$ | Given | | $c\parallel d$ | Converse of the Same - Side Interior Angles Postulate | ### 2.
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question 2 of 5 mike rides his bike to work every day. his house is loc…
$58.86$
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question 1 of 5 calculate the distance between the two points, a (-9, 7…
$19.70$
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what is the length of bc? round to the nearest tenth
# Explanation: ## Step1: Apply Pythagorean theorem In right - triangle \(ABC\) with right - angle at \(C\), if the hypotenuse \(AB = 18\) cm and \(AC = 14\) cm, by the Pythagorean…
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jennas locker is located in the hallway between her math and science cl…
$(7,23)$
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which equation can be solved to find one of the missing side - lengths …
$\cos(60^{\circ})=\frac{a}{12}$
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1. write a rule for the translation of △pqr to △pqr.
$(x,y)\to(x + 3,y - 4)$
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a side of the triangle below has been extended to form an exterior angl…
$115$
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which equation can be used to solve for b? tan(30°)=10/b tan(30°)=b/10 …
$\tan(30^{\circ})=\frac{5}{b}$
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15. p(-3, 14), q(2, -1), r(4, 8), s(-2, -10) 16. p(2, -1), q(-3, -1), r…
16. $m(\overrightarrow{PQ}) = 0$, $m(\overrightarrow{RS}) = 0$, parallel 17. $x=-6$ 18. $x=-\frac{5}{2}$ 19. $y = 3$ 20. $y=7$
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a point p(-5,-5) lies $\frac{1}{2}$ of the way along segment ab from en…
$(-12,-19)$
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14. p(-4, 12), q(1, -3), r(-9, 3), s(-5, 4) 15. a(-3, 14), o(2, -1), r(…
17. \(x=-6\) 18. \(x=-4\) 19. \(y = 3\) 20. \(y=\frac{16}{3}\)
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1. write a rule for the translation of △pqr to △pqr. 2. graph quadrilat…
$(x,y)\to(x + 2,y - 1)$
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10. does figure b appear to be a scale drawing of figure a? explain you…
45 For the question "Does figure B appear to be a scale drawing of figure A? Explain your thinking.":
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the circle graph shows how the annual budget for a company is divided b…
$50000000$
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a side of the triangle below has been extended to form an exterior angl…
\(117^{\circ}\)
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the length of a rectangle is 4 m longer than its width. if the perimete…
length: 17 m width: 13 m
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a point p(1,0) divides line segment ab in a ratio of 3:5 from endpoint …
\((-4,-5)\)
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answer the questions below. (a) the perimeter of a rectangular garden i…
Width of the garden: 64 m Length of the window: 98 cm
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a side of the triangle below has been extended to form an exterior angl…
$53^{\circ}$
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the area of a rectangular field is 6612 m². if the length of the field …
(a) 76 m (b) 77 cm