Question

find the area. 22 cm a =? cm² a = πr² use π = 3.14

Explanation:

Step1: Find the radius

The diameter $d = 22$ cm, and the radius $r=\frac{d}{2}=\frac{22}{2}=11$ cm.

Step2: Calculate the area

Using the formula $A = \pi r^{2}$, with $\pi = 3.14$ and $r = 11$ cm, we have $A=3.14\times11^{2}=3.14\times121 = 379.94$ $cm^{2}$.

Answer:

$379.94$