Question

The circumference of a circle of diameter 10cm is

Answer 1

I think may help you =:/5'*9/:

Answer 2

Diameter=10cm

Radius=5cm

$circumference \: = 2\pi \: r$

$2 \times \frac{22}{7} \times 5$

$\frac{220}{7}$

Circumference=31.4