Solving for Angle Measures of Right Triangles

Question 1

In which triangle is the measure of the unknown angle, x, equal to the value of sin–1 (StartFraction 5 Over 8.3 EndFraction) ?

Revolt · Accepted Answer

[Image: A right triangle is shown. The length of the hypot...]

Question 2

36✔ 444655

Revolt · Accepted Answer

✔ 44

Question 3

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

Revolt · Accepted Answer

x = sin–1; x = tan–1; y = cos–1

Question 4

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.

Revolt · Accepted Answer

23° and 67°

Question 5

What is the measure of the angle that the slide makes with the ground, x, to the nearest degree?

Revolt · Accepted Answer

36°

Question 6

⇒ 16

Revolt · Accepted Answer

114551

Question 7

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.

Revolt · Accepted Answer

67°

Question 8

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.

Revolt · Accepted Answer

x > y; w = y; y < v

Question 9

Which equation could be used to find m∠E in △EFG?

Revolt · Accepted Answer

m∠E = tan–1

Question 10

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

Revolt · Accepted Answer

26°

Solving for Angle Measures of Right Triangles Answers

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