Solving for Angle Measures of Right Triangles

Question 1

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

Revolt · Accepted Answer

C: m∠E = tan–1

Question 2

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

Revolt · Accepted Answer

A: 26°

Question 3

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

Revolt · Accepted Answer

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

Question 4

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

Revolt · Accepted Answer

B: x = sin–1; C: x = tan–1; E: y = cos–1

Question 5

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

B: 23° and 67°

Question 6

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

Revolt · Accepted Answer

B: 36°

Question 7

⇒ 16

Revolt · Accepted Answer

114551

Question 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.

Revolt · Accepted Answer

D: 67°

Question 9

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

A: x > y; C: w = y; D: y < v

Question 10

Determine the unknown angle measures of △DEF. Round to the nearest degree.

Revolt · Accepted Answer

m∠D = °: 46; m∠F = °: 44

Solving for Angle Measures of Right Triangles Answers

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