What is the area of a circle whose diameter is 24 meters?

Sagot :

Formula for the area of the circle:
A=πr²

Diameter is twice the radius
d=2r
24 m=2r
r=12 m

A=π(12 m)²
A=144π m² or 452.16 m²

Hope this helps =)
[tex]\bold{Area\ of\ the\ circle:} \\ \\ A=\pi\ r^2 \\ \\ ^{-since\ the\ given\ is\ diameter,\ let's\ convert\ this\ to\ radius.} \\ \\ \bold{Formula\ of\ diameter\ to\ radius:} \\ \\ r= \frac{d}{2} \\ \\ r= \frac{24\ m.}{2} \\ \\ \bold{r=12\ m.} \\ \\ ^{--------------------------------------------------} \\ \\ \bold{\underline{Solution:}} \\ \\ A=\pi\ r^2 \\ \\ A=\pi\ (12\ m)^2 \\ \\ \bold{A=144\pi\ m^2\ or\to\boxed{A=452.16\ m^2}}[/tex]