What is the radius of a circle if it's perimeter is numerically equal to twice its area
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let radius =x
area =22/7 x × x=22/7x sq
so perimeter is twice its area
so perimeter=44/7 x sq
perimeter=2 pie r
44/7 x sq = 2x22/7 × x
44/7 x sq x 7/44 x
so 1 cm
area =22/7 x × x=22/7x sq
so perimeter is twice its area
so perimeter=44/7 x sq
perimeter=2 pie r
44/7 x sq = 2x22/7 × x
44/7 x sq x 7/44 x
so 1 cm
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