Solving for Angle Measures of Right Triangles

Question 1

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

Revolt · Accepted Answer

m∠E = tan–1

Question 2

Question 2

Revolt · Accepted Answer

44

Question 3

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

Revolt · Accepted Answer

26°

Question 4

Determine the unknown angle measures of △DEF. Round to the nearest degree. m∠D = ° m∠F = °

Revolt · Accepted Answer

46; Selection 1: 46; Selection 2: 44

Question 5

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

Revolt · Accepted Answer

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

Question 6

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 7

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 8

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

Revolt · Accepted Answer

36°

Question 9

Question 9

Revolt · Accepted Answer

114551

Question 10

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°

Solving for Angle Measures of Right Triangles Answers

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