The diameter of a circle is 0.77 meters. What is the area of the circle to the nearest thousandth square meter?
A) 0.466
B) 0.478
C) 0.489
D) 0.548

Question

Quizplus · Accepted Answer

The area of a circle is given by the formula A = πr², where r is the radius of the circle. The diameter of a circle is twice the radius, so the radius of the circle in this question is 0.77 / 2 = 0.385 meters. Plugging this value into the formula for the area of a circle, we get A = π(0.385)² ≈ 0.466 square meters.

The Diameter of a Circle Is 0