11.5 – Areas of Circles and Sectors. Area of a Circle: A= r 2.
7.2 What’s The Area? Pg. 8 Areas of Circles and Sectors.
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7.2 What’s The Area? Pg. 8 Areas of Circles and Sectors
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Transcript of 7.2 What’s The Area? Pg. 8 Areas of Circles and Sectors.
7.8 – AREA OF A CIRCLEa. Cut out the circle given to you by your teacher. Then fold the circle in half. Then in half again. Repeat until you have divided the circle into 16 pieces as shown. Then unfold the circle.
c. Alternate the circle pieces so that it forms a shape similar to a parallelogram. What is the height of the parallelogram?
r
7.11 – SHADED AREAFind the area of the shaded region for each shape below. Leave answers in terms of pi.
7.13 – ARC LENGTH VS. AREA OF SECTORWhat are the key differences in the arc length and area of a sector?
7.14 – ARC LENGTH VS. AREA OF SECTORFind the arc length and area of the sector. Leave answers in terms of pi.
72
360 28
A
360A 4608
A 212.8 in