Question

40. Find the circumference of a circle with a diameter of 10 centimeters. Use 3.14 for 

and round to the nearest tenth.

Answer 1

C = 31.4 cm²

Explanation:

the circumference (C) of a circle is calculated as

C = πd ( d is the diameter )

= 3.14 × 10

= 31.4 cm²