if the area of circle is 72πcm²,find its radius and circumference
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Answered by
1
Hi Friend
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Area of circle = pi X r ^2
=>pi x r^2 = 72pi
=> r^2 = 72=8.4 cm
circumference of circle = 2 x pi x r
= 2 x 3.14 x 8.4=52.572cm
________________
Area of circle = pi X r ^2
=>pi x r^2 = 72pi
=> r^2 = 72=8.4 cm
circumference of circle = 2 x pi x r
= 2 x 3.14 x 8.4=52.572cm
Kartikey10A:
it is 72πcm^2 not 72cm^2
got it
sorry edited
Answered by
0
it 72πcm^2 so the r = 8.48 circumference equals to 2πr = put the value and get answer
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