Similar Right Triangles and Right Triangle Trig

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft

• 65 ft

• 74 ft

• 87 ft

Find the measure of the indicated angle.

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

A 16 foot ladder leans against a building.  If the angle the ladder makes with the ground is 68°, how high up the building does the ladder reach?

• 39.6

• 6.0

• 14.8

• 13.6

To the nearest whole degree.

• 66^°

• 24^°

• 22^°

• ^37°

Solve the triangle. Round measures of sides to the nearest tenth and angles to the nearest degree.

• A

• B

• C

• D

If three sides of a right triangle are 9, 40, and 41, which side is the hypotenuse?

• 9

• 40

• 41

Find the missing side.

• 18

• 16

• 17

• 19