The perimeter of semicircle is 72cm. Find area of a square drawn on its diameter.
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mate it is given that perimeter of semi circle is 72cm...
formula- 2πr/2=πr
nowA/Q
πr=72
22r/7=72
r=72*7/22
r=504/22
r=22.90
now d=2r
d=2*22.90
d=45.8
now area of square= side*side
=45.8*45.8
=2097.64
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sorry but formal is 1/2πd
bro but hum dono ka formula ek hi hai
please is question ka answer do the circumference of a circular ground is 132 metre lawn is made inside the ground to play cricket leaving the space of uniform width of 7 m along the circumference find the area of lawn
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