Question

what is the surface area of this sphere? round your answer to the nearest hundredth. 18 ft square feet

Explanation:

Step1: Recall surface - area formula

The formula for the surface area of a sphere is $A = 4\pi r^{2}$, where $r$ is the radius of the sphere.

Step2: Identify the radius

The radius $r = 18$ ft.

Step3: Substitute the radius into the formula

$A=4\pi(18)^{2}=4\pi\times324 = 1296\pi$.

Step4: Calculate the numerical value

$A\approx1296\times3.14159 = 4071.50464$.

Step5: Round to the nearest hundredth

$A\approx4071.50$ square feet.

Answer:

$4071.50$