Mathematics, 21.08.2019 00:00 anaalashay

Aspherical balloon has a circumference of 21 cm. what is the approximate surface area of the balloon to the nearest square centimeter? a. 1,385 cm^2 b. 561 cm^2 c. 346 cm^2 d. 140 cm^2

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Aspherical balloon has a circumference of 21 cm. what is the approximate surface area of the balloon...