Question

question
the radius of a circle is 4 in. find its area in terms of π.
answer attempt 1 out of 2
a = in²

Explanation:

Step1: Recall the formula for the area of a circle

The formula for the area of a circle is \(A = \pi r^{2}\), where \(r\) is the radius of the circle.

Step2: Substitute the given radius into the formula

Given \(r = 4\) in. Substitute \(r = 4\) into \(A=\pi r^{2}\), we get \(A=\pi\times(4)^{2}\).

Step3: Calculate the value of \(r^{2}\)

\((4)^{2}=4\times4 = 16\). So \(A = 16\pi\).

Answer:

\(16\pi\)