Question

what is the circumference and area of diameter is equal to 54 m

Answer 1

Diameter = 54m
Radius = 54/2 = 27m

Circumference =
$2\pi \: r$
= 2 * 22/7 * 27 = 44*27 / 7 = 1188/7 = 169.71m

Area=
$\pi {r}^{2}$
22/7 * 27*27 m² = 2291.1m²

Hope this will be helping you.

WARM REGARDS
Sahil khirwal