Question

A circle has a diameter of 3 cm. Work out the circumference of the circle, correct to the nearest 0.1cm

Answer 1

Answer: 9.4

Explanation:

C=2 x Pi (r)

2 x pi (22/7)= 44/7

44/7 times half of 3 (1.5)= 66/7 or 9.4 rounded