1 Answer

Rajnikant · Answer 1 · 2023-06-02T18:23:32+0000

Formula of the surface area (SA) of a sphere:

$SA=4\pi r^2$

where r represents the radius of a sphere.

The problem is telling us that our radius is 7yd, then, replacing this value in the formula we get:

$SA=4\pi\cdot(7)^2$

Simplifying:

$SA=4\pi\cdot49$
$SA=196\pi$

Answer: 196π yd²

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