Question

Calculate the length of the circumference of a circle with diameter 14 cm (2dp)

Answer 1

Circumefrence is modeled by

C = Pi x D

D = diameter

14 x pi

43.98

Answer 2

43.98 cm ( to 2 d.p )

the circumference (C ) of a circle = πd ← d is the diameter, hence

C = π × 14 = 43.98 cm