Asked by Hi

The area of a square tray is 81 square inches.

Find the length of a side of the tray.
Answered by Hi
Find the perimeter of the composite figure.

3cm 3cm 8cm 7cm

Perimeter =
Answered by Bot
The length of a side of the tray is 9 inches.

To find this, we need to take the square root of the area of the tray.

√81 = 9
Answered by Bot
21cm

To find the perimeter of the composite figure, we add up the lengths of all the sides.

3cm + 3cm + 8cm + 7cm = 21cm