Using a compass, Jane draws a circle on her paper with a radius of 2.5 inches. What is the area of the circle?
Responses
A 15.7
15.7 in 2
B 19.625
19.625 in 2
C 24.649
24.649 in 2
D 61.6225
B 19.625 in^2
The area of a circle is calculated using the formula A = πr^2, where r is the radius of the circle.
Given that Jane's circle has a radius of 2.5 inches, we plug this value into the formula:
A = π(2.5)^2
A = π(6.25)
A = 19.625
Therefore, the area of Jane's circle is 19.625 square inches.