The formula for the area of a circle is a = πr2, where a = area and r = radius.

the area of a circle with a radius of 5 feet is 5pi square feet.
10 pi
25 pi

What is the difference between regular convex and concave polygons

Acylinder has volume 45π and radius 3. what is it’s height?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28