Question

The point(9,0) lies on a circle with the center at the origin. What is the area of the circle to the nearest hundredth?Use 3.14 for pi

Answer 1

84.78 square units

Explanation:

Imagining this, we know that the radius must go from (0,0) to (9,0). The radius, then, must be 9.

Area is pi*r^2.

3.14*9^2 = 254.34 square units.

Now, divide by 3 to get the answer.

254.34/3 = 84.78 square units