Question

A garden pond is 6 feet wide. The perimeter of the pond is 28 feet.

Answer 1

A garden pond = circle

Perimeter of a circle formula: $2 \pi r$

r = radius

wide = diameter

$\frac{diameter}{2}$ = radius

r = $\frac{wide}{2}$

Area of a circle formula: $\pi r^2$

Plug in: 
$\pi ( \frac{6}{2} )^2$
$9 \pi$