Right Triangle Trig and Pythagorean Theorem

Determine whether a triangle with the given side lengths is a right triangle.

Check all correct answers.

• 14, 48, 50

• 8, 14, 16

• 10, 11,15

• 5,12,13

Use the above right triangle, with side lengths a, b, and c. The sinx = ______.

Solve for x in the triangle. Round your answer to the nearest tenth.

• 7.5

• 8.0

• 10.3

• 0.08

• 8.3 ft

• 0.1 ft

• 30.9 ft

• 17.2 ft

A kite is flying 84 ft off the ground, and it string is pulled taut. The angle of elevation of the kite is 65°. Find the length of the string. Round your answer to the nearest tenth.

• 198.8 ft

• 92.7 ft

• 39.2 ft

• 76.1 ft

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

The Pythagorean Theorem ONLY works on which type of triangle?

• obtuse

• scalene

• isosceles

• right