Question

circumfrence of circle is 44 find its radius,area,diameter

Answer 1

circumference =2
$\pi \: r$
so 44=2×22÷7×r
44×7÷2×22=r
r=7
diameter =2×7=14
area=
$\pi \: r {?}^{2}$
22÷7×7×7
154

Answer 2

circumference of circle=44
2πr=44
2x22/7xr=44
r=44x1/2x7/22
r=7

diameter=rx2
d=7x2
d=14

area of circle=πr^2
=22/7x7^2
=22/7x49
=154

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