Question

Work out the circumference of this circle take pie to be 3. 142and give your number to 1 decimal place and the radius is 9m

Answer 1

56.

Explanation:

circumferance of a circle = 2×pi×

if pi is 3.142, we will use that to substitute pi.

9 ×2 = 18

18 × 3.142 = 56.556

to 1dp = 56.6m