Answers CR CCSS Math 2 S2 M2960OXTrigonometric Ratios

Solving for Side Lengths of Right Triangles Answers

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Which equation can be used to solve for b?

b = (8)tan(30o)

b =

b = (8)sin(30o)

b =

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Which equation can be used to solve for b?

tan(30o) =

tan(30o) =

tan(30o) =

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

6.8 cm

7.5 cm

14.5 cm

17.7 cm

Right triangle ABC is shown.

sin(50o) =

cos(50o) =

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.

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

A ramp leading into a building makes a 15° angle with the ground. The end of the ramp is 10 feet from the base of the building (along the ground).Approximately how long is the ramp? Round to the nearest tenth.

10.3 feet

10.4 feet

13.2 feet

38.6 feet

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

cos(60o) =

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

2.3 cm

4.0 cm

10.7 cm

18.6 cm

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.

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Solving for Side Lengths of Right Triangles Answers

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