Find circumference of the circle whose area is 78.5 centimetres square
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Answered by
4
area of a circle is πr2(square)
r=4.99approx..
now circumference is 2πr
31.365...approx.
hpoe it helped you
r=4.99approx..
now circumference is 2πr
31.365...approx.
hpoe it helped you
Answered by
2
Area of circle =78.5 cm square
pie *r*r =78.5
22/7 *r*r = 785/10
r*r = 785*7/22*10
r =square root of the above data
r =aprox 4.89
circumference
=2 *3.14*4.89
ans. 30.79 cm
pie *r*r =78.5
22/7 *r*r = 785/10
r*r = 785*7/22*10
r =square root of the above data
r =aprox 4.89
circumference
=2 *3.14*4.89
ans. 30.79 cm
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