find the circumference of a circle whose area is 16 (pi)r square
Answers
Answered by
7
Area of a circle = πr²
16π = πr²
16 = r²
. '. √16 = r
4 = r
. '. Radius of a circle = 4
Circumference of a circle = 2πr
= 2*22/7*4
= 176/7
= 25.14 units (approx)
Similar questions