Angles and Their Measure

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Presentation transcript:

Angles and Their Measure Section 7.1 Angles and Their Measure

Radians

Find the length of the arc of a circle of radius 4 meters subtended by a central angle of 0.5 radian.

Find the area of the sector of a circle of radius 5 feet formed by an angle of 40°. Round the answer to two decimal places.

Linear Speed Angular Speed

A child is spinning a rock at the end of a 2-foot rope at the rate of 180 revolutions per minute (rpm). Find the linear speed of the rock when it is released.

A) B) C) D)

A) B) C) D)