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10.7. Areas of Circles and Sectors. 10.7 – Areas of Circles & Sectors. Goals / “I can….” Find the areas of circles, sectors, and segments of circles. r. 10.7 – Areas of Circles & Sectors. Area of a circle A = π r. 2. 10.7 – Areas of Circles & Sectors.
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10.7 Areas of Circles and Sectors
10.7 – Areas of Circles & Sectors Goals / “I can….” • Find the areas of circles, sectors, and segments of circles
r 10.7 – Areas of Circles & Sectors • Area of a circle • A = πr 2
10.7 – Areas of Circles & Sectors • How much more pizza is there in a 12 in. – diameter pizza than a 10 in. pizza?
10.7 – Areas of Circles & Sectors • A sector of a circle is a region bounded by an arc of the circle and the 2 radii to the arc’s endpoints. • Translated in English………it’s like a piece of pizza.
mAB 360 A r B 10.7 – Areas of Circles & Sectors • Area of a sector of a circle / pizza • A = πr 2
Z 72° 20 M O 10.7 – Areas of Circles & Sectors • Find the area of sector ZOM
A B 10 10.7 – Areas of Circles & Sectors • Find the area of the segment
A B 10 10.7 – Areas of Circles & Sectors • Find the area of the segment • HINT: Area of Sector - Area of Triangle =
10.7 – Areas of Circles & Sectors • Let’s try 1 more to make sure you guys got it
10.7 – Areas of Circles & Sectors • Find the area of the shaded segment