AnswersCR CCSS Math 2 S2 M2960OXSolving for Side Lengths of Right Triangles

Solving for Side Lengths of Right Triangles Answers

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1
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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
2
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Is this ladder being used safely?

A
yes
B
no
C
There is not enough information to determine.
3

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
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

x ≈ °

A
19
B
71
C
83
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

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

A
inverse cosine
B
inverse sine
C
inverse tangent
13

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

A
19
B
21
C
71

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