# Triangles

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## Triangles Answer Key

1.

One angle of a triangle is [math]70 deg[/math] and the other is [math]30 deg[/math]. Therefore, the remaining angle measure is [math]95 deg[/math].

- True
- False

2.

One leg of a right triangle is 15 and the other is 18. The measure of the hypotenuse is approximately 23.

- True
- False

3.

Given a triangle whose hypotenuse is 65 feet and one of the legs is 25 feet. Use the Pythagorean Theorem to find the length of the remaining side.

- 62 feet
- 60 feet
- 56 feet
- 53 feet

4.

A ramp is used to bring cargo on and off a cruise ship. The ramp is 6 feet high and its end sits 18 feet away from the ship. What is the slope of this ramp?

- [math]3//1[/math]
- [math]1//4[/math]
- [math]1//2[/math]
- [math]1//3[/math]

5.

A right triangle's sides have the following measures: one leg - 8 and the hypotenuse - 17. Find the measure of the remaining side.

- 12
- 18
- 17
- 15

6.

Alex is building a sandbox in the shape of a triangle. There is one right angle and the other angle measures [math]65deg[/math]. What is the measure of the third angle?

- [math]25deg[/math]
- [math]30deg[/math]
- [math]65deg[/math]
- [math]155deg[/math]

7.

The measures of the angles in a right triangle are [math]x[/math], [math]2x[/math] and [math]90deg[/math]. What is [math]x[/math]?

- [math]15deg[/math]
- [math]30deg[/math]
- [math]45deg[/math]
- [math]60deg[/math]

8.

Find the area of the right triangle shown. Side BA is 7.5 and side AC is 4.

- 5.75
- 30
- 11.5
- 15

9.

Find the area of the right triangle shown. Side AB has has a measure of 8 and side AC has a measure of 6.

- 14
- 24
- 48
- 7

10.

Find the area of one of the right triangles. The height is 4 and AC is 9.

- 13
- 6.5
- 18
- 36

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