Question

the area of a circle is 98.56 CM square find its circumference.​

Answer 1

Area of a circle =98.56 cm

2

We know, Area of the circle =πr

2

Where, r= radius of the circle

So, πr

2

=98.56

Put π=

7

22

r

2

=

7

22

98.56

=31.36

r=5.6

Circumference of circle =2×π×5.6=35.2 cm

Answer 2

Step-by-step explanation:

area of circle =πr

${r = \sqrt{98.56 \div 3.14 = 56} }^{2}$

of circle =2πr

= 2×3.14×5.6

=40.768 cm