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

Solving for Angle Measures of Right Triangles Answers

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1
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sin–1 = °

A
1
B
42
C
62
D
73
2
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tan–1(4) = °

A
1
B
76
C
86
D
92
3

cos–1(0.1) = °

A
1
B
84
C
87
D
89
4

Angle 1 is the angle of .

A
elevation from point Q to point R
B
elevation from point R to point Q
C
depression from point Q to point R
D
depression from point R to point Q
5

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

A
x = cos–1
B
x = cos–1
C
x = sin–1
D
x = sin–1
6

The angle of depression from point R to point S is angle .

A
1
B
2
C
3
D
4
7

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°
8

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

A
37°
B
45°
C
53°
D
137°
9

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

A
3.5
B
8.5
C
12
10

The angle of elevation from point S to point R is angle .

A
1
B
2
C
3
D
4
11

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
12

Angle 2 is the angle of elevation from .

A
point Q to point R
B
point R to point Q
C
point R to point S
D
point S to point R
13

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

A
inverse cosine
B
inverse sine
C
inverse tangent
14

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

A
19
B
21
C
71

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