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mixer [17]
3 years ago
5

Find the area of the sector in terms of pi. 270° 12 Area = [?]

Mathematics
1 answer:
stepan [7]3 years ago
8 0

Answer:

[?] = 108

Step-by-step explanation:

270^\circ  is  3/4 of a whole revolution:  \frac{270^\circ}{360^\circ}=\frac{3}{4} so the area of the sector is 3/4 of the area of the entire circle.

Area of a circle:  A=\pi r^2

Area of the sector:  \frac{3}{4} \pi (12^2)=\frac{3}{4}(144)\pi=108\pi

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