10-7 Area of Circles and Sectors. REVIEW Circumference: The total distance (in length) around a circle. Arc measure: The measure of the central angle.

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Presentation transcript:

10-7 Area of Circles and Sectors

REVIEW Circumference: The total distance (in length) around a circle. Arc measure: The measure of the central angle (in degrees). Arc length: The length of the arc (in inches, feet, meters, etc.)

Circumference and Area

Practice Find the CIRCUMFERENCE and AREA of each circle, in terms of π d = 8 ftC =A = r = 6 inC = A = d = 2.4 mC =A = r = 3.5 cmC =A =

Arc Length and Sector Area

Practice Find the arc measure, arc length, & sector area:

Practice Find the arc measure, arc length, & sector area: