Question

eighth grade > ★ w.8 surface area of spheres njw
what is the surface area of this sphere?
round your answer to the nearest hundredth.
22 m
square meters
submit

Explanation:

Step1: Find the radius

The diameter is 22 m, so radius $r = \frac{22}{2} = 11$ m.

Step2: Apply surface area formula

Surface area of sphere: $4\pi r^2 = 4\pi(11)^2 = 4\pi(121) = 484\pi$

Step3: Calculate numerical value

$484 \times 3.1415926535 \approx 1520.53$

Answer:

1520.53