Question

If circumference of a circle exceeds it's diameter by 30 centimeters. Find the radius of the circle?

Answer 1

Answer:

Answer: 7cm

Step-by-step explanation:

2πr-2r=30

2r(π-1)=30

2r(22/7-1)=30

2r=(30*7)/15

2r=14

r=7cm