Chapter 7 Review: Trigonometry

Find the missing side length.

• 9.2

• 3.6

• 13

• 26

Find the missing side length.

• 8.9

• 12

• 6.9

• 4

Find x.

• 3

• 6

• 9

• 10

Given the three lengths, determine the type of triangle (if it is a triangle).

10, 11, 22

• Not a Triangle

• Acute

• Obtuse

• Right

Given the three lengths, determine the type of triangle (if it is a triangle).

9, 12, 18

• Not a Triangle

• Acute

• Obtuse

• Right

Given the three lengths, determine the type of triangle (if it is a triangle).

10, 15, 17

• Not a Triangle

• Acute

• Obtuse

• Right

Given the three lengths, determine the type of triangle (if it is a triangle).

5, 12, 13

• Not a Triangle

• Acute

• Obtuse

• Right

Find y.

• 5

• 10

Find x.

• 5

• 10

Find u.

• 9