The diameter of a circle is 24 feet. using the formula a = r2, what is the area of the circle? use 3.14 for pi. ft2 circle with diameter labeled 24 feet

We know, Area = πr²
Here, r = diameter / 2
r = 24/2 = 12

Substitute the values, 
A = 3.14 * (12)²
A = 3.14 * 144
A = 452.16

In short, Your Answer would be 452.16 Ft²

Hope this helps!

The lateral side of a triangular pyramid is a triangle. in order to increase the lateral surface area, the slant height and the height should be altered