find the radius of a circle whose area is 38.5 m square
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Answered by
11
heya !
Area of circle = 38.5 sq cm
That is πr2 = 38.5
r2 = 38.5 × (7/22) = 12.25
r = 3.5 cm
Area of circle = 38.5 sq cm
That is πr2 = 38.5
r2 = 38.5 × (7/22) = 12.25
r = 3.5 cm
Answered by
9
Area of a circle=π×r×r
Area=38.5 sq cm
22/7×r×r=38.5
r×r=38.5×7/22
r×r=269.5/22
r×r=12.25
r=√12.25
r=3.5 cm
Hope this answer will help u
Thanku
Area=38.5 sq cm
22/7×r×r=38.5
r×r=38.5×7/22
r×r=269.5/22
r×r=12.25
r=√12.25
r=3.5 cm
Hope this answer will help u
Thanku
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