Solving for Side Lengths of Right Triangles

Question 1

A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. Which diagram correctly represents this scenario?

Revolt · Accepted Answer

B: [Image: A 25 foot ladder is propped against a wall forming...]

Question 2

A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. How high up the wall does the ladder reach? Round the answer to the nearest tenth of a foot.

Revolt · Accepted Answer

B: 23.8 ft

Question 3

Which error did Kevin make?

Revolt · Accepted Answer

A: He has the side lengths in the wrong place in the cosine ratio.

Question 4

Which equations could be used to solve for the unknown lengths of △ABC? Check all that apply.

Revolt · Accepted Answer

A: sin(45°) =; E: cos(45°) =

Question 5

If Diana walks forward and her angle looking to the top of the building changes to 40°, how much closer is she to the building? Round the answer to the nearest tenth of a foot.

Revolt · Accepted Answer

B: 17.6 ft

Question 6

Question 6

Revolt · Accepted Answer

114256

Question 7

sinecosine✔ tangent

Revolt · Accepted Answer

C: ✔ tangent

Question 8

7.622.3✔ 57.7

Revolt · Accepted Answer

C: ✔ 57.7

Question 9

Use the diagram to complete the statements.

Revolt · Accepted Answer

B: ✔ 70

Solving for Side Lengths of Right Triangles Answers

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