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OpenStudy (anonymous):
44. Find the surface area of a sphere with a circumference of 40 ft. Round to the nearest tenth
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OpenStudy (alexwee123):
do you remember the formula for circle circumference?
OpenStudy (anonymous):
Sphere Surface Area = 4 π r2
OpenStudy (alexwee123):
cuz you would use that to find the radius of the sphere
OpenStudy (alexwee123):
then use the nice formula CarmelGirlKatie47 gave us to find your area
OpenStudy (anonymous):
Thank you guys very much!
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