The area of a rectangular countertop is 30 square feet. It is 10 feet long. How wide is it?

w = 3 ft

Step-by-step explanation:

The area of a rectangle is given by

A = l*w

30 = 10 *w

Divide each side by 10

30/10 = 10w/10

3 = w

4444444444444 i think

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation: