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Find the curved surface area of the spheres whose radius r = 3.5cm

Find the curved surface area of the spheres whose radius r = 3.5cm
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23 votes
Find the curved surface area of the spheres whose radius r = 3.5cm

User Dmitry Frank
by
7.3k points

1 Answer

10 votes

Answer:

154 cm²

Explanation:


A=4\pi r^2\\\\r=3.5\,cm\\\\ A=4\pi(3.5)^2=49\pi=153.93804...\approx154\ cm^2

User Biggy
by
8.2k points
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