Oab is a quater circle.if parameter oab is 250m then area of circle is
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perimeter of quarter circle = 2r + (2πr/4)
250 = (8r + 2πr)/4
1000= (8+2π)r
r = 1000÷(8+2π)
r=70
area of circle = π r^2
=15393.8 sq.m
250 = (8r + 2πr)/4
1000= (8+2π)r
r = 1000÷(8+2π)
r=70
area of circle = π r^2
=15393.8 sq.m
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