A: A sphere area is 4pr². R: Doubling radius quadruples area.
○ Both statements are true, but the reason does not explain the assertion.
○ The assertion is true, but the reason is false.
Both statements are true, and the reason explains the assertion.
○ The assertion is false, but the reason is true.
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Both statements are true, and the scaling statement explains the formula. — Examisthan.com