4 years ago

The point (3,0) lies on a circle with the center at the origin. What is the area of the circle to the nearest hundredth?

1 answer:

8 0

Radius = 3 units
Using pi as 3.132
Area of circle = $\pi r^{2}$ = 3.142 x 3 x 3 = 28.278 square units ≈ 28.28 square units

OR if you use the calculator and press pi x 3 x 3 = 28.27square units

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