Question

find the radius if circumferenceis5cm

Answer 1

circumference = 2πr =5cm
2×$\frac{22}{7}$×r=5cm
44/7r=5
r=5×7/44
r=0.79

Answer 2

Circumference of a circle =2 * pie * radius. Here circumference is given as 5cm. So according to the equation, 5 = 2 * pie * radius.Radius = 5 / 2* pie = 0.79 cm. Hope it helps and pls mark as the best answer. :-)