Solving for Angle Measures of Right Triangles

Question 1

1426273

Revolt · Accepted Answer

42; sin–1 = °: 42; tan–1(4) = °: 84; cos–1(0.1) = °: 1

Question 2

19✔ 7183

Revolt · Accepted Answer

71; x ≈ °: 71; Is this ladder being used safely?: yes

Question 3

3.58.512

Revolt · Accepted Answer

3.5; The length of the shortest leg of the right triangle that is formed is feet.: 3.5; The angle of depression from the hoop to Lisa is to the angle of elevation from Lisa’s line of sight to the hoop.: congruent; Because the lengths of the opposite and adjacent sides are known, use the function.: inverse tangent; The angle of depression, rounded to the nearest degree, is approximately degrees.: 19

Question 4

Which equation could be used to find m∠J in △JKL?

Revolt · Accepted Answer

x = cos–1

Question 5

Use the diagram to complete the statements.

Revolt · Accepted Answer

3; The angle of depression from point R to point S is angle .: 3; The angle of elevation from point S to point R is angle .: 4; Angle 2 is the angle of elevation from .: point R to point Q; Angle 1 is the angle of .: depression from point Q to point R

Question 6

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.

Revolt · Accepted Answer

10°

Question 7

What is the measure of the angle of elevation from point L to point J?

Revolt · Accepted Answer

53°

Question 8

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

Revolt · Accepted Answer

m∠E = tan–1

Question 9

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

Revolt · Accepted Answer

26°

Question 10

m∠D = [___]°

Revolt · Accepted Answer

46; Selection 1: 46; Selection 2: 44

Solving for Angle Measures of Right Triangles Answers

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