If the area of the minor sector is 392.5 cm2
and the corresponding central
angle is 72°, find the radius. ( = 3.14).
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solution.
Area of sector = π(r)^2* θ/360°
=> 3.14 (r)^2 *72/360 = 392.5
=> 0.628 (r)^2 = 392.5
=> r^2 = 625
=> r = 25
so,radius = 25cm
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☺☺
Area of sector = π(r)^2* θ/360°
=> 3.14 (r)^2 *72/360 = 392.5
=> 0.628 (r)^2 = 392.5
=> r^2 = 625
=> r = 25
so,radius = 25cm
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☺☺
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