Question

The point (7, 0) lies on a circle with the center at the origin. What is the area of the circle?

I need helpppppp

Answer 1

If the origin is (0,0) and (7,0) is a point on the circle, then the radius is 7

The area of a circle is pr^2 so

A=p7^2

A=49p u^2

A≈153.94 u^2 (to nearest one-hundredth of a square unit)