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marin [14]
3 years ago
12

In a circle a 180 degree sector has a area 98 pie in square.What is the radius of the circle?

Mathematics
1 answer:
Llana [10]3 years ago
5 0
Sector area = central angle / 360 * PI * radius^2
98 PI = (1 / 2) * PI * radius^2
radius^2 = 196
radius = 14


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