幾何
三角形、圓、解析幾何與證明題。
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a point p(x,y) is shown on the unit circle corresponding to a real numb…
$\frac{8}{17}$
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in a unit circle, the radian measure of the central angle is equal to t…
A. intercepted arc
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graph the compound inequality. 3 ≤ x < 4 plot the endpoints. select an …
On the given number line, place a closed - circle at $3$ and an open - circle at $4$, then shade the region between them.
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8. given the endpoint (5,2) and the mid - point (10, - 2). find the oth…
$(15,-6)$ ### 9.
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watch the video and then solve the problem given below. click here to w…
15
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1. find the midpoint of 2. find the distance between 3. given the endpo…
1. No clear answer as points not given. 2. No clear answer as points not given. 3. \((-\frac{19}{12},\frac{25}{6})\) 4. \((0,\frac{1}{2})\) 5. \(\sqrt{143.08}\approx11.96\) 6. \(\…
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watch the video and then solve the problem given below. click here to w…
$\sin\theta=-\frac{3\sqrt{13}}{13}$, $\cos\theta=-\frac{2\sqrt{13}}{13}$, $\tan\theta=\frac{3}{2}$, $\csc\theta=-\frac{\sqrt{13}}{3}$, $\sec\theta=-\frac{\sqrt{13}}{2}$, $\cot\the…
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circle the words that are true for each shape. 2. all rectangular prism…
have 6 faces, have 8 vertices
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watch the video and then solve the problem given below. click here to w…
$-\frac{3\sqrt{13}}{13}$
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use reference angles to find the exact value of the following expressio…
A. $\cot\frac{23\pi}{3}=-\frac{\sqrt{3}}{3}$
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use reference angles to find the exact value of the following expressio…
A. $\csc(-\frac{\pi}{6})=-2$
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for the points p and q do the following. (a) find the distance d(p,q). …
(a) $2\sqrt{29}$ (b) $(2\sqrt{2},2\sqrt{3})$
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use reference angles to find the exact value of the following expressio…
A. $\tan750^{\circ}=\frac{\sqrt{3}}{3}$
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4. @ assessment match each shape with the trait or traits that describe…
cone - 1 vertex; rectangular prism - 8 vertices, 12 edges; cube - 8 vertices, 12 edges; cylinder - 0 vertices
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use a reference angle to find the exact value of the following expressi…
A. $\cos(150^{\circ})=-\frac{\sqrt{3}}{2}$
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another look! how can you tell if a shape is a cube? these shapes are a…
A shape is a cube if it has 6 square faces, 8 vertices and 12 edges.
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circle the words that are true for the shape. 1. all spheres: have no f…
have no flat surfaces
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find the reference angle for the angle $\frac{29pi}{3}$. the reference …
\(\frac{\pi}{3}\)
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find the reference angle for the angle 685°. the reference angle is °.
$35$
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find the reference angle for the angle 1.6. the angle is measured in ra…
$1.54$
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if u is between t and b, find the value of x and the lengths of the seg…
$x = 4$, $TU = 8$, $UB = 13$ Now for problem 12:
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find the reference angle of the angle. - 100° the reference angle for -…
80
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find the reference angle for $\frac{9pi}{5}$. the reference angle is (s…
\(\frac{\pi}{5}\)
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find the reference angle for the angle 319°. the reference angle is °. …
$41$
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find the reference angle for the angle 143°. the reference angle is °. …
$37$
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refer to the figure and the given information to find each measure. 9. …
For the first part: $x = 10$, $AB = 12$, $BC = 27$. For the second part: $x = 7$, $DO = 25$, $OG = 35$.
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let θ be an angle in standard position. name the quadrant in which θ li…
C. II
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evaluate the following trigonometric function at the quadrantal angle, …
A. $\tan0 = 0$
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evaluate the trigonometric function at the quadrantal angle, or state t…
B. The expression is undefined.
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evaluate the following trigonometric function at the quadrantal angle, …
$0$
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the point given below is on the terminal side of an angle θ. find the e…
$\sin\theta=\frac{7}{25}$, $\cos\theta=-\frac{24}{25}$, $\tan\theta=-\frac{7}{24}$, $\csc\theta=\frac{25}{7}$, $\sec\theta=-\frac{25}{24}$, $\cot\theta=-\frac{24}{7}$
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the point given below is on the terminal side of an angle θ. find the e…
$\frac{7}{25}$
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fill in each blank so that the resulting statement is true. let θ be an…
$\sin\theta=\frac{y}{r}$, $\cos\theta=\frac{x}{r}$, $\tan\theta=\frac{y}{x}(x eq0)$, $\csc\theta=\frac{r}{y}(y eq0)$, $\sec\theta=\frac{r}{x}(x eq0)$, $\cot\theta=\frac{x}{y}(y…
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answer attempt 1 out of 2 which side in the figure corresponds to segme…
\(\frac{2}{3}\)
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question 9 of 10 which statement about the inferno is best supported by…
D. Dante's view of traitors as the worst of sinners is evident when he shows that they reside in the final ring of Hell.
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unit 1 lesson 19 - measure figures made from prisms today we found the …
a. The missing horizontal side length is 3 inches and the missing vertical side length is 3 inches. b. The volume of the figure is 105 cubic inches.
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question 4 of 5 in the final circle of hell, what type of sinners are b…
A. People who betray their family
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in general, if the length of each side of a rectangle is multiplied by …
$n$
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problem 7 a company is designing a new logo that consists of a shaded t…
\(\frac{1}{2}\)
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in the figure, abcd is a 6 by 16 rectangle inscribed in a semi - circle…
$\frac{73\pi}{2}-96$
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the length of the square and the diameters of the circles are all 4 uni…
$48 - 12\pi$
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which literal detail of the inferno most likely connects to the symboli…
C. Dante journeys from the outer circle to the inner circles of Hell.
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an isosceles triangle has a base of 12 and two sides of 10. what other …
16
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find the value of x of the given figure, whose area is given as a = 47.…
$3.9$
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the circle has a circumference of 81.64. using 3.14 to approximate $pi$…
$4$
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which sentence best describes the narrative structure of the inferno? a…
C. It is a plot - based narrative that centers around the sights, sounds, and events that occur while Dante and Virgil travel through the Circles of Hell.
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question 20, 4.2.47 the given triangle has area 35. find x.
$7$
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find the value of x of the given figure, whose area is given as a = 72.…
$8.5$
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the figure has perimeter p = 74. find the value of x. (type a whole num…
21
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in the chart below, the a (area) of a circle is given. find the values …
$r=\frac{1}{12}\text{ yd}$, $d = \frac{1}{6}\text{ yd}$, $C=\frac{\pi}{6}\text{ yd}$
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in the chart below, the circumference, c, of a circle is given. find th…
$r = 12$ ft, $d = 24$ ft, $A=144\pi$ ft²
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solve for x in the triangle. round your answer to the nearest tenth.
$16.5$
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in the chart below, the radius, r, of a circle is given. find the value…
d: 14 cm C: $14\pi$ cm A: $49\pi$ $cm^{2}$
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a search plane carries radar equipment that can detect metal objects (l…
600 square miles
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a search plane carries radar equipment that can detect metal objects (l…
39700
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for the right circular cone shown, b is a point on the circumference of…
$\frac{43^{3}}{3\pi^{2}}$
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in the figure below, k lies between j and l. find the location of k so …
$-22$
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in the figure below, x lies between w and y. find the location of x so …
$1$
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in the figure below, q lies between p and r. find the location of q so …
16
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each exterior angle of a regular polygon measures 18°. how many sides d…
D. 20
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what is the name of a polygon that has four congruent sides and these a…
B. Rhombus
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given circle x with radius 10 units and chord ab with length 12 units, …
B. 8 units
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in the xy - plane, the graph of the given equation (x^{2}+52x + y^{2}=0…
D. $(-26,0)$
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suppose a triangle has two sides of length 42 and 35, and that the angl…
A. \(c^{2}=42^{2}+35^{2}-2(42)(35)\cos120^{\circ}\)
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determine the scale factor for △abc to △abc. a 10 ft c 20 ft c o a. 2 o…
B. $\frac{1}{2}$
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the ratio $\frac{opposite}{adjacent}$ describes which function? a. seca…
D. Tangent
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intersecting lines that form a right angle are defined as ____. a. skew…
C. perpendicular
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if the bases of an isosceles trapezoid have lengths of 11 and 24, what …
B. 17.5 units
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two right triangles that are not similar can still have a pair of congr…
A. True
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in triangle qrs, what is the value of tan y°? a $\frac{5}{7}$ b $\frac{…
A. \(\frac{5}{7}\)
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which of the following is not a congruence theorem or postulate? a. aaa…
A. AAA
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a triangle with sides of lengths 9, 22, and 24 is a right triangle a. t…
B. False
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question 29 of 40 the figure shows a child estimating the height of a t…
D. \(\frac{h}{4}=\frac{12}{5}\)
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if ∠a = 32°, what must be the measure of ∠d in order for △abc to be sim…
D. $32^{\circ}$
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question 27 of 40 what is sin 23°? a. $\frac{5}{13}$ b. $\frac{12}{5}$ …
A. $\frac{5}{13}$
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triangles: area example a (5,8) a = \\frac{1}{2}bh c(3,2) b(9,2) in the…
The area of $\triangle ABC$ is 18. Since there is no 18 in the options you provided, there may be a mis - typing in the options or in the problem - solving process check. But the …
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point a is at (3,4) and point b is at (8, - 4). what is the midpoint of…
$(5.5,0)$
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find the value of x that makes abcd a parallelogram. a. 5 b. 10 c. 6 d.…
C. 6
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a building casts a 50 - foot shadow. alex is 5 feet tall and casts a 6 …
B. 42 ft
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question 24 of 40 what angle is included by $overline{ac}$ and $overlin…
A. $\angle C$
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is △abc similar to △def? why or why not? a. yes, because the angles are…
C. No, because not all the angles are congruent.
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the graph in the xy - plane models the possible combinations of length …
B. The length is 9 m, and the width is 4 m.
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if two triangles have three pairs of congruent sides, then the triangle…
A. True
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2. $\frac{c = 2pi r}{c=2pi r}$ and $\frac{c}{c}=\frac{r}{r}$ by the div…
C. $C = 2\pi r$ and $C'=2\pi r'$ by the definition of circumference.
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7 ft 25 ft 24 ft
1. **Explanation**: - **Step 1: Recall the formula for the area of a triangle** The formula for the area of a triangle is \(A=\frac{1}{2}bh\), where \(b\) is the base and \(h\) is…
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for the triangles shown, triangle abc is dilated by a scale factor of 3…
B. 60
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the figure shown is to be painted on a road sign. which of the followin…
A. A rectangle and an isosceles triangle
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a student inscribes a triangle within a semicircle. what is the measure…
C. $90^{\circ}$
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in the rectangle below, ac = 36 units. what is de? a. 18 b. 12 c. 24 d.…
A. 18
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what is the surface area of the three - dimensional figure? sa = in² ar…
77
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which of the following is the correct definition of an angle? a. a shap…
B. A shape formed by two intersecting rays
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in triangle abc, m∠a = 35°, m∠b = 40°, and a = 9. which equation should…
A. \(\frac{\sin35^{\circ}}{9}=\frac{\sin40^{\circ}}{b}\)
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solve the inequality. then graph the solution set and write it in inter…
The solution set is \([-4,4]\). The correct graph is the one with closed - circles at \(-4\) and \(4\) and a line segment between them (you need to visually identify this among th…
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henry constructed circle a with a radius of 4 units. he then created a …
B. $\frac{45}{360}(16\pi)$
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if △abc ~ △def and the scale factor from △abc to △def is $\frac{1}{7}$,…
C. 4, 5, 2
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in the figure shown, line r is parallel to line s. what is the value of…
21
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what is the surface area of the three - dimensional figure? sa = in²
72
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Question was provided via image upload.
$22.45$ square inches
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if △lmn is dilated by a scale factor of 0.5, which of the following sta…
A. The sides of $\triangle LMN$ are congruent to the sides of $\triangle L'M'N'$.
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there are three ways of describing an interval. for the interval descri…
B. The graph with an open - circle at $-8$ and an arrow pointing to the left $(-\infty,-8)$