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∠E in △EFG?

A
m∠E = cos–1
Option A
B
m∠E = cos–1
Option B
C
m∠E = tan–1
Option C
D
m∠E = tan–1
Option D
2
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m∠F = °

A
36
B
44
C
46
D
55
3

In which triangle is the measure of the unknown angle, x, equal to the value of sin–1?

Question illustration
A
Option
B
Option
C
Option
D
Option
4

Which equations for the measures of the unknown angles x and y are correct? Check all that apply.

A
x = cos–1
Option A
B
x = sin–1
Option B
C
x = tan–1
Option C
D
y = sin–1
Option D
E
y = cos–1
Option E
5

What is the measure of ∠R in △PQR? Round to the nearest degree.

A
26°
B
42°
C
45°
D
64°
6

Besides the 90° angle measure, what are the other two angle measures of a right triangle with side lengths 5, 12, and 13? Round to the nearest degree.

A
18° and 39°
B
23° and 67°
C
43° and 47°
D
65° and 25°
7

m∠D = °

A
36
B
44
C
46
D
54
8

A helicopter flies 665 feet above ground. What is the measure of the angle of depression from the helicopter to the girl’s line of sight? Round to the nearest degree.

A
23°
B
25°
C
65°
D
67°
9

Question text not available

Answer not available
10

Question text not available

Answer not available
11

Compare the measures of the different angles of elevation and depression that are labeled in the diagram. Which statements are true? Check all that apply.

A
x > y
B
v > x
C
w = y
D
y < v
E
v = w
F
x < w

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