Right Triangles Unit

Use the sine, cosine, or tangent ratio to solve for x.

• 8.5

• 18.1

• 34.1

• 7.5

Use inverse trig functions to solve for the missing angle.

• 29

• 1

• 61

• 26

Use inverse trig functions to solve for the missing angle.

• 30

• 27

• 60

• 63

Use inverse trig functions to solve for the missing angle.

• 15

• 75

• 14

• 25

Use special angle relationships to solve for x.

Use special angle relationships to solve for x.

• 3

Use special angle relationships to solve for x.

• 30

Was is the cos of angle C as a decimal?

• 0.6

• 0.75

• 0.8

• 1.33

An escalator has a vertical rise of 196 feet and rises at an angle of 10.4°. How long is the escalator? Round you answer to the nearest tenth.

Mathematical Equivalence

ON

A flagpole casts a shadow that is 137 feet long. The angle of elevation between from the end of the shadow to the top of the flagpole is 25°. How tall is the flagpole? Round your answer to the nearest tenth.

Mathematical Equivalence

ON