Asked by Anonymous
A “gazing ball” is a spherical garden ornament
with a mirrored surface that reflects its
surroundings. The surface area of the ball is
approximately 314 square inches. What is its
volume to the nearest cubic inch?
with a mirrored surface that reflects its
surroundings. The surface area of the ball is
approximately 314 square inches. What is its
volume to the nearest cubic inch?
Answers
Answered by
Steve
since a = 4pi r^2,
4pi r^2 = 100pi
r = 5
so, now use your volume formula.
4pi r^2 = 100pi
r = 5
so, now use your volume formula.
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