幾何
三角形、円、座標幾何、証明問題。
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determine whether each number is rational or irrational. | | rational |…
- $\frac{\sqrt{27}}{3}$: Irrational (circle the Irrational option) - $-\frac{3}{\sqrt{64}}$: Rational (circle the Rational option) - $0.8\overline{3}$: Rational (circle the Ration…
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what is the radius of this circle?
The radius of the circle is 3.
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consider the cube shaped container below with a centered, cone shaped h…
\( s = \boxed{8}\) m
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write the coordinates of the vertices after a dilation with a scale fac…
\( r(-8,-8) \), \( u(-8,-4) \), \( v(-4,-4) \), \( w(-4,-8) \)
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given the two rectangles below. find the area of the shaded region. 3 7…
\(36\)
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what is the volume of this sphere? round your answer to the nearest hun…
\(113.10\)
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the rectangle below is dilated by a scale factor of \\(\\frac{1}{5}\\).…
Perimeter of given rectangle: \(120\) units Area of given rectangle: \(875\) units² Perimeter of dilated rectangle: \(24\) units Area of dilated rectangle: \(35\) units²
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find the value of x.
51
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the triangle on the right is a scaled copy of the triangle on the left.…
\(\frac{1}{2}\)
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solve the inequality and graph the solution. \\(\\frac{w + 6}{2} < -1\\…
The solution of the inequality is \(w < - 8\). On the number - line, we plot an open circle at \(-8\) (because the inequality is strict, \(w eq - 8\)) and draw a ray to the left …
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find a positive angle less than 360° that is coterminal with the given …
130
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you have answered the question incorrectly. please view the following e…
D. 110°
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what is the center of this circle? (□, □)
(1, 1)
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what is the diameter of the circle $x^2 + y^2 = 36$? write your answer …
12
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what is the radius of the circle $x^2 + y^2 = 144$? write your answer i…
12
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are figure a and figure b congruent? yes no which transformation will m…
1. Are Figure A and Figure B congruent? Yes 2. Which transformation maps Figure A to B? None of these 3. Are Figure C and Figure D congruent? Yes 4. Which transformation maps Figu…
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what is the area of this figure? 2 in 4 in 3 in 6 in 7 in 5 in 5 in if …
85.48
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determining a rule for a reflection what is the rule for the reflection…
D. $r_{x-axis}(x,y)→(x,-y)$
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classify this triangle by its sides. isosceles but not equilateral scal…
equilateral
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find the measure of the missing angles. answer attempt 1 out of 2 x = \…
x = 66°, y = 24°
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write the vector in component form.
\(\langle8,-9 angle\)
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the diagram shows a triangle. what is the value of c? c = \\boxed{}
\(120\)
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what is the value of x? x = \\boxed{\\circ} submit work it out not feel…
\(97\)
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what similarity property, if any, can be used to show that the followin…
AA
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find q. write your answer as a whole number or a decimal. do not round.…
\(88\)
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if these two shapes are similar, what is the measure of the missing len…
33 feet
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find m. write your answer as a whole number or a decimal. do not round.…
\(39\)
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the triangle below is equilateral. find the length of side x to the nea…
\(1.4\)
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write a letter that has two or more lines of symmetry.
\(H\) (Other possible answers like \(O\) which has infinitely many lines of symmetry as it is a circle - like shape in letter form are also valid)
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are these triangles similar? yes no
No
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determine the equation of the circle graphed below.
\((x - 1)^2+(y + 4)^2 = 9\)
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what is the volume of this sphere? round your answer to the nearest hun…
\(904.78\)
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classify this triangle by its sides. equilateral scalene isosceles but …
Isosceles but not equilateral
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two sides and an angle (ssa) of a triangle are given. determine whether…
B. There are two possible solutions for the triangle. The measurements for the solution with the smaller angle C are as follows. $C_1 \approx 61^\circ$ $B_1 \approx 62^\circ$ $b_1…
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classify this triangle by its sides. isosceles but not equilateral equi…
Isosceles but not equilateral
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write the equation in standard form for the circle $x^{2}+y^{2}-2y - 39…
\(x^{2}+(y - 1)^{2}=40\)
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find the distance between the pair of points. give an exact answer, and…
D. 15
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the angle of elevation to a nearby tree from a point on the ground is m…
37.17 feet
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use the rules for working with measurements to give your answer to the …
\( 107000 \) (or more precisely \( 106686 \), but with three significant figures, \( 1.07 \times 10^5 \) or \( 107000 \))
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the varners live on a corner lot. often, children cut across their lot …
13
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write the vector in component form.
\(\langle-9,-4 angle\)
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triangle c 7 4 4 scalene isosceles equilateral
$\boldsymbol{\text{Isosceles}}$ (and check the box for Isosceles)
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what is m∠r? m∠r = \\boxed{}° submit
\(86\)
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find the measure of the missing angle. answer a = \\boxed{}
\(33^{\circ}\)
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given circles t and u below. find the area of the shaded region. round …
\( 1140.4 \) (or \( 363\pi \) if exact form is preferred, but the problem asks for a decimal rounded to the nearest tenth)
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find the value of each variable. the dot represents the center of the c…
40
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crackers a box of crackers has a volume of 48 cubic inches. what is the…
The volume of the smaller box is $\frac{128}{9}$ cubic inches (or approximately 14.22 cubic inches).
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a deli owner uses 215 square centimeters of plastic wrap to cover a wed…
\( 53.8 \) square centimeters
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analyzing diagrams can you conclude that triangle ghf is congruent to t…
yes, by AAS
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practice using asa and aas congruence theorems. what additional informa…
\(\angle Z\cong\angle G\) and \(XZ\cong FG\), \(\angle Z\cong\angle G\) and \(ZY\cong GE\)
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when the angle of elevation of the sun is 62°, a telephone pole that is…
52
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candles the volume of a candle is 8 cubic inches. what is the volume of…
The volume of the larger similar candle is 27 cubic inches.
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what is the value of x? there is a circle with center d. there are thre…
\(x = 57\)
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what is the value of x? g 69° x-23° f h 88° x+26° i x = ° submit work i…
\(100\)
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what is m∠hfi? m∠hfi = \\boxed{}° submit work it out not feeling ready …
\(120\)
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what is m∠qsr? m∠qsr = ° submit work it out not feeling ready yet? thes…
\(130\)
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the diameter of a circle is 16 inches. what is the angle measure of an …
\(\frac{135}{4}\)
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the radius of a circle is 10 centimeters. what is the angle measure of …
\(61.2\)
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the radius of a circle is 6 inches. what is the area of a sector bounde…
\(\frac{23}{2}\pi\) square inches
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the diameter of a circle is 10 kilometers. what is the angle measure of…
\(72\)
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the diameter of a circle is 8 inches. what is the angle measure of an a…
\(135\)
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the radius of a circle is 1 meter. what is the area of a sector bounded…
\(\frac{\pi}{2}\)
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the main, or central, idea of the passage is because of the triangle sh…
It identifies the conditions that led to the great loss of life in the fire.
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the diameter of a circle is 6 inches. what is the area of a sector boun…
\(\frac{33}{20}\pi\)
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the triangle shirtwaist fire the early twentieth century was a difficul…
Because of the Triangle Shirtwaist Factory fire, the government began to regulate working conditions in factories.
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the diameter of a circle is 6 inches. what is the area of a sector boun…
\(3\pi\) square inches
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the diameter of a circle is 2 meters. what is the area of a sector boun…
\(\frac{1}{8}\pi\)
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the diameter of a circle is 6 kilometers. what is the area of a sector …
\(\frac{27}{20}\pi\)
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the diameter of a circle is 14 feet. what is the area of a sector bound…
\(\frac{147}{20}\pi\)
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trigonometry sketching an angle with absolute value less than 2π radian…
To sketch $\theta =-\frac{5\pi}{6}$ in standard position: 1. Start at the positive x - axis (the right - most point on the unit circle). 2. Rotate clockwise (because the angle is …
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the radius of a circle is 2 inches. what is the area of a sector bounde…
\(2\pi\)
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the radius of a circle is 1 foot. what is the area of a sector bounded …
\(\frac{\pi}{8}\) square feet
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the radius of a circle is 2 miles. what is the area of a sector bounded…
\(\pi\)
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what is the value of z? v w z+17 2z u x z = submit work it out not feel…
\(17\)
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what is the value of z? z = submit work it out not feeling ready yet? t…
\(z = 12\)
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e is the midpoint of \\(\\overline{gk}\\) and i is the midpoint of \\(\…
\(7\)
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what is the measure of ∠rqu? m∠rqu = \\boxed{}° submit work it out not …
\(83\)
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what is the measure of ∠tsu? m∠tsu = \\boxed{}° submit work it out not …
\(68\)
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⊙s ≅ ⊙x. what is the measure of the minor arc \\(\\overarc{vw}\\)? two …
\(51\)
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⊙v ≅ ⊙u. what is the length of \\(\\overline{st}\\)? (image of two circ…
\(28\)
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$\\overleftrightarrow{hj}$ is tangent to $\\odot g$. what is $hj$? $hj …
\(20\)
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$\\overleftrightarrow{wx}$ is tangent to $\\odot v$. what is $wx$? (the…
$15$
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$\\overleftrightarrow{hj}$ is tangent to $\\odot g$. what is $hj$? (ima…
\(12\)
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$\\overleftrightarrow{wx}$ is tangent to $\\odot v$. what is the radius…
\(35\)
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4. $\\angle s \\cong \\angle i, \\angle g \\cong \\angle a$ $t$ is the …
Yes, $SG \cong IA$ because $\triangle STG \cong \triangle ITA$ by ASA congruence, so their corresponding sides are congruent.
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$\\overleftrightarrow{wx}$ is tangent to $\\odot v$. what is the radius…
\(4\)
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gh is tangent to ⊙f. what is fh? h 15 ft g 8 ft f fh = ft submit
\(17\)
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the volume of a pyramid varies jointly with the base area of the pyrami…
27
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qs is tangent to ⊙p. what is m∠p? s q 30° p m∠p = \\boxed{\\space}° sub…
\(60\)
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$\\overleftrightarrow{jk}$ is tangent to $\\odot h$. what is $m\\angle …
\(70\)
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the formula for the surface area of a sphere is $a = 4\\pi r^2$. rearra…
\( r=\sqrt{\frac{A}{4\pi}} \)
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4.6 exercises developing proof for exercises 1–9, copy the figures onto…
Yes, \( \overline{AB} \cong \overline{CB} \) by AAS congruence ( \( \triangle ABD \cong \triangle CBD \) as \( \angle A \cong \angle C \), \( \angle ABD \cong \angle CBD \), \( BD…
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$\\overleftrightarrow{km}$ is tangent to $\\odot j$. what is $m\\angle …
\(30\)
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what is uv? uv = submit work it out not feeling ready yet? these can he…
\(16\)
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what is ip? 19 l k m 18 j 12 n i o 24 p ip = submit
\(13\)
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solve the linear inequality for b and graph the answer in the number li…
The solution to the inequality \( b - 5 > 4 \) is \( b > 9 \). The graph should have an open circle at 9 and an arrow pointing to the right. In inequality notation, the solution i…
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determine whether each figure has rotational symmetry. if so, locate th…
The figure has rotational symmetry. Order = 3, Magnitude = \(120^\circ\), Center is the intersection point of the arms' axes. ### Problem 12:
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what is rs? m n o 14 7 p l 31 9 r q s rs = submit
\(26\)
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find the distance between the points (-7, 5) and (-3, 5). distance:
4
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which activity is purposeless? walking your dog around the block wander…
wandering around in circles