Hi there!
![\large\boxed{P = 22 cm}](https://img.qammunity.org/2022/formulas/mathematics/college/hn17rtz0yj0pqfirp1x3vrc0i2743elujs.png)
To find the perimeter, we must find the length of the rectangle.
We know the area is 24, thus:
A = l × w
24 = l × 3
24/3 = l = 8 cm
Find the perimeter using the formula:
P = 2l + 2w
Plug in the solved length and width:
P = 2(8) + 2(3) = 16 + 6 = 22 cm.