Answers ECASD - Geometry A - CRTriangle Similarity: AA

Solving for Side Lengths of Right Triangles Answers

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What is the length of ? Round to the nearest tenth.

6.8 cm

7.5 cm

14.5 cm

17.7 cm

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A right triangle has a 30o angle. The leg adjacent to the 30o angle measures 25 inches.What is the length of the other leg? Round to the nearest tenth.

14.4 in.

21.7 in.

28.9 in.

43.3 in.

The equation can be used to determine the length of line segment AC.

11.8 cm

12.9 cm

14.9 cm

15.3 cm

Which equation can be used to solve for b?

tan(30o) =

tan(30o) =

tan(30o) =

tan(30o) =

Find the length of . Use that length to find the length of .

2.3 cm

4.0 cm

10.7 cm

18.6 cm

What is the approximate value of x? Round to the nearest tenth.

3.1 cm

3.9 cm

4.6 cm

5.4 cm

Which equation can be solved to find one of the missing side lengths in the triangle?

cos(60o) =

A right triangle has one side that measures 4 in. The angle opposite that side measures 80o.What is the length of the hypotenuse of the triangle? Round to the nearest tenth.

3.9 in.

4.1 in.

22.7 in.

23.0 in.

Which relationship in the triangle must be true?