if circumference and area of a circle are numerically equal, find the diameter of a circle
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Answered by
121
a/q,
area of circle= circumference of circle
pi×r×r =2×pi×r
=) r=2 units
hence the diameters is 2r=4 units
area of circle= circumference of circle
pi×r×r =2×pi×r
=) r=2 units
hence the diameters is 2r=4 units
Answered by
74
ans is 4 cm as
2πr=πr^2
2=r
diameter=2*2=4
2πr=πr^2
2=r
diameter=2*2=4
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