if the area of quadrant of a circle is 38.5cmsquare then find its diameter ?
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2
Answer:refer to the attachment given below....
Hope it helps
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Answered by
2
Answer:
14
Step-by-step explanation:
area of circle =pi * R^2
area of quadrant =(pi*r^2)/4
38.5*4=22/7*r^2
154=22/7*r^2
r^2=154*7/22
r=7
d=14
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