16.2 - Arc Length & Radian Measure

Front

Convert 7π/6 radians into degrees

Back

210°

Front

Find the arc length of a circle with radius r and angle θ in radians.

Back

Arc Length = r * θ

Front

Convert 510° to Radians

Back

17π/6

Front

Convert 270° into radians

Back

3π/2

Front

Convert 4π/3 radians into degrees

Back

240°

Front

What is the formula to convert radians to degrees?

Back

Degrees = Radians × (180/π)

Front

What is the formula to convert degrees to radians?

Back

Radians = Degrees × (π/180)

Front

If the radius of a circle is 5 units and the angle is π/3 radians, what is the arc length?

Back

Arc Length = 5 * (π/3) = 5π/3

Front

What is the relationship between a full circle in radians and degrees?

Back

A full circle is 2π radians or 360°.

Front

How many radians are in a right angle?

Back

π/2 radians