Question

radius = 3 1/4ydsits something about area of a circle

Answer 1

The area of a circle can be find with the next formula:

$A=\pi\cdot r^2$

Where r is the radius

Then, for the given radius:

$\begin{gathered} A=\pi\cdot(3\frac{1}{4}yd)^2 \\ \\ 3\frac{1}{4}=\frac{12}{4}+\frac{1}{4}=\frac{13}{4} \\ \\ A=\pi\cdot(\frac{13}{4}yd)^2 \\ \\ A=\pi\cdot\frac{169}{16}yd^2 \\ \\ A=10.56\pi yd^2 \end{gathered}$

Then, the are of a circle with radius 3 1/4 yd is 10.56 pi square yards