Question

The circumference of a circle is 9.36cm.

Find the length of the diameter.
Give your answer rounded to 2 DP.

Answer 1

Explanation:

the circumference of a circle is

2×pi×r

with r being the radius and therefore, 2×r being the diameter.

2×pi×r = 9.36 cm

2r = diameter = 9.36/pi = 2.979380535... ≈ 2.98 cm

Answer 2

The circumference of a circle with diameter 9.36 is 29.41