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svetlana [45]
3 years ago
5

Find the area of sector AOB. Express your answer in terms of pi and rounded to the nearest tenth.

Mathematics
1 answer:
STatiana [176]3 years ago
7 0
63\pi

The sector is \frac{70}{360}; there are 360 degrees in a circle.
You use the formula \pi r^{2}.
18cm is the radius, and then you square it to get 324.
Multiply 324 by \frac{70}{360}
You get 63\pi
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