8.1 & 6.1 Review

Front

Back

Arc length is the distance along the curved line of a circle, where 'r' is the radius and 'θ' is the angle in radians.

Front

What are the units for angular speed?

Back

Angular speed is measured in radians per unit of time.

Front

An angle is in standard position if the initial side is along the _______?

Back

The positive x-axis.

Front

What is the side across from the right angle called?

Back

Hypotenuse.

Front

Back

60°.

Front

What is the relationship between degrees and radians?

Back

Front

What is the formula for the area of a sector?

Back

Front

What is the definition of a radian?

Back

A radian is the angle subtended at the center of a circle by an arc equal in length to the radius.

Front

How do you convert degrees to radians?

Back

Front

What is the formula for linear speed?

Back