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zarkam21 (zarkam21):
Help pretty pleaseee
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OpenStudy (wolf1728):
Do you have a question?
zarkam21 (zarkam21):
OpenStudy (wolf1728):
Sphere surface area = 4 • π • r² = π • d² = PI * 12 * 12 = 3.14 * 144 or 144 PI
OpenStudy (goprogo501):
12 isn't the radius
OpenStudy (goprogo501):
plus the math is all wrong.... answer is correct but math is wrong.
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