Question

The area of a circle is 13.86 cm, what is the circumference of the circle ​

Answer 1

Answer:

Formula of circumference of circle is 2πr

Step-by-step explanation:

Area of circle = πr²

13.86 = 22/7 × r²

13.86× 7/22 = r²

or,

r² = 13.86 × 7/22

r² = 4.41

$r \: = \: \sqrt{4.41}$

r = 2.1

now you get radius you can apply the formula of circumference of circle. when you can take the value of π = 22/7