PC Chapter 4 Review

What is the complement of a 49° angle?

• 41°

• 41°

• 41°

• 41°

Tags

CCSS.7.G.B.5

A circle has a radius of 6 yards. Find the length of the arc intercepted by a central angle of 130°.

• 18π yards

• 16π yards

• 15π yards

• 13π yards

Tags

CCSS.HSG.C.B.5

A truck is moving at a rate of 100 kilometers per hour, and the diameter of its wheels is 1.25 meters. Find the angular speed of the wheels in radians per second.

• 40π radians/sec

• 70π radians/sec

• 50π radians/sec

• 60π radians/sec

Tags

CCSS.HSF.TF.A.1

Determine the reference angle of the angle θ = 255º.

• 105°

• 285°

• 75°

• 255°

Find two exact values of θ in degrees (0 ≤ θ < 360°) when cos θ = -√3/2.

• 150° and 210°

• 45° and 315°

• 120° and 240°

• 135° and 225°

Tags

CCSS.HSF.TF.B.7

Use a calculator to evaluate cos 42.6° accurate to four decimal places.

• 0.7315

• 0.7314

• 0.7316

• 0.7313

Tags

CCSS.HSF.TF.C.8

Find the exact value of tan arccos(√3/2) without using a calculator.

• 1/√3

• √2/2

• √3/3

• 1/√2

Tags

CCSS.HSF.TF.A.2

Find two exact values of θ in degrees (0 ≤ θ < 360°) when sin θ = √3/2.

• 60° and 120°

• 30° and 150°

• 45° and 135°

• 60° and 300°

Tags

CCSS.HSF.TF.B.7

Determine the reference angle of the angle θ = 315º.

• 45°

• 315°

• 75°

• 105°

A circle has a radius of 4 yards. Find the length of the arc intercepted by a central angle of 90°.

• 2π yards

• 4π yards

• 6π yards

• 8π yards

Tags

CCSS.HSG.C.B.5