the perimeter of a paper sheet in the shape of quadrant of a circle is 75cm. find its area
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perimetre of a quadrant =pi r/2
so 22/7*r=150
r=150*7/22
area of quadrant =pi r^2 /4
=(22/7*150*7/22*150*7/22)/4
=(22500*7)/88
=1789.77
so 22/7*r=150
r=150*7/22
area of quadrant =pi r^2 /4
=(22/7*150*7/22*150*7/22)/4
=(22500*7)/88
=1789.77
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