3/26 pt. 1

What symbol indicates that an angle is measured in degrees?

• No symbol

• A small square

• A small triangle

• A small circle

How is a radian defined?

• The angle formed when the arc length is half the radius

• The angle formed when the arc length is double the radius

• The angle formed when the arc length is equal to the diameter

• The angle formed when the arc length is equal to the radius

How do you calculate the angle in radians?

• Divide the diameter by the arc length

• Divide the arc length by the radius

• Multiply the arc length by two

• Multiply the radius by the arc length

How many radians are in a full circle?

• Pi

• 2 Pi

• Pi/2

• 360

What is the conversion factor from degrees to radians?

• 360/Pi

• 180/Pi

• Pi/360

• Pi/180

What is 150 degrees in radians?

• 2 Pi/3

• Pi/3

• Pi/2

• 5 Pi/6

How do you convert 2 Pi/3 radians to degrees?

• 180 degrees

• 60 degrees

• 90 degrees

• 120 degrees

What is the degree measure of Pi/4?

• 30 degrees

• 45 degrees

• 180 degrees

• 90 degrees

What quadrant is the angle 7 Pi/4 located in?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

How many degrees are in 3 Pi/2 radians?

• 360 degrees

• 180 degrees

• 90 degrees

• 270 degrees