Question

The diameter is a circle is 16cm. Find it’s circumference in terms of π.

C= ________cm

Answer 1

c=

`2\pi * r`

r=d/2

=16/2

=8

c=2×3.14×8

c= 50.27

Explanation:

To change diameter to radius, it should be divided by 2

Answer 2

16π

Explanation:

because circumstance is given by πD where D is diameter, therefore, 16π