The perimeter of a circular plate is 105 find its area..
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Given, Perimeter of circular plate= 105
2πr = 105
2×22/7× r = 105
r= 105×7/22×1/2= 16.7 ( radius)
Therefore, area of plate= πr2
=22/7× 16.7×16.7
= 876.98= 877 square units
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