Angles and Their Measure

Together the angles create 98 degrees. What is the value of angle A?

• 34 degrees

• 23 degrees

• 43 degrees

• 90 degrees

What is the measure of the given angle?

• 8π/3

• 5π/6

• -2π/3

• -π/6

Convert from decimal degree measure to degrees-minutes-seconds.

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Convert from degrees-minutes-seconds to decimal degree measure.

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An angle is said to be in _________ if its vertex is located at the origin and the initial side ray is on the positive x-axis. 

• reference angle

• starting position

• standard position

• negative reference angle

The initial side of the angle is fixed on the _________ . 

• positive x-axis

• positive y-axis

• negative x-axis

• positive y-axis

Estimate the measure of the angle to the nearest degree.

• 0°

• 360°

• 720°

• 1,080°

Estimate the measure of the angle to the nearest degree.

• 225°

• 135°

• 100°

• 180°

What is 225  degrees in radians? 

• 7π/4

• 5π/4

• 3π/4

• 5π/3

Convert -520^o into Radians

• -17π / 4

• -21π / 6

• -26π / 9

• -23π / 6