AnswersCR CCSS Math 2 S2 M2960OXSolving for Angle Measures of Right Triangles

Solving for Angle Measures of Right Triangles Answers

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A car is traveling up a steep ramp to a parking garage. The ramp is 445 feet long and rises a vertical distance of 80 feet. What is the angle of elevation from the car to the end of the ramp? Round to the nearest degree.

A
10°
B
18°
C
31°
D
80°
2
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The angle of depression from the hoop to Lisa is to the angle of elevation from Lisa’s line of sight to the hoop.

A
complementary
B
congruent
C
supplementary
3

Because the lengths of the opposite and adjacent sides are known, use the function.

A
inverse cosine
B
inverse sine
C
inverse tangent
4

The angle of depression, rounded to the nearest degree, is approximately degrees.

A
19
B
21
C
71
5

What is the measure of the angle of elevation from point L to point J?

A
37°
B
45°
C
53°
D
137°
6

The length of the shortest leg of the right triangle that is formed is feet.

A
3.5
B
8.5
C
12
7

Which equation could be used to find m∠J in △JKL?

A
x = cos–1
Option A
B
x = cos–1
Option B
C
x = sin–1
Option C
D
x = sin–1
Option D

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Solving for Angle Measures of Right Triangles…