The circumference of a circle exceeds the diameter by 16.8cm. Find the circumference of the circle.
Let diameter of circle = X cm
So,
Circumference = x+16.8cm
2πr = x + 16.8 (Diameter = 2r)
= x + 16.8 (x = 2r)
= 16.8
= 16.8
= 7.84 cm
Circumference = x + 16.8
= 7.84 + 16.8 = 24.64 cm
4