Measuring Arcs and Angles in Circles

The video tutorial covers finding arc and angle measures in a circle using given information about central angles and diameters. It explains how to calculate arc measures by equating them to central angles and how to determine angle measures using properties of diameters and vertical angles. The tutorial also includes advanced arc calculations by subtracting from 360 degrees and concludes with a summary of the key concepts discussed.

What is the measure of angle WPX in circle P?

• 114°

• 28°

• 180°

• 38°

How do you determine the measure of arc YZ?

• By using the tangent line

• By using the diameter

• By using the central angle

• By using the vertical angle

What is the measure of arc VZ?

• 180°

• 28°

• 38°

• 114°

How is the measure of arc WX determined?

• By using the diameter

• By using the central angle

• By using the tangent line

• By using the secant line

What is the measure of angle VPZ?

• 38°

• 180°

• 28°

• 114°

How do you find the measure of angle XPY?

• By using the tangent line

• By using the diameter

• By using the central angle

• By using the secant line

What is the measure of arc WYZ?

• 28°

• 38°

• 114°

• 180°

How is the measure of arc XY determined?

• By using the central angle

• By using the diameter

• By using the tangent line

• By using the secant line

What is the measure of arc VXZ?

• 114°

• 180°

• 322°

• 332°

How do you find the measure of arc ZXY?

• By using the tangent line

• By using the diameter

• By subtracting the unwanted arc

• By using the central angle