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Bogdan [553]
2 years ago
14

Please help show your work and 20 points.

Mathematics
2 answers:
Bezzdna [24]2 years ago
6 0

Answer:

B. 439.82

Step-by-step explanation:

A=2πrh+2πr2

A=2(pi)(5)(9)+2(pi)(5) squared

A=282.74+152.07

A=439.8

-have a nice day

Montano1993 [528]2 years ago
3 0

Answer:

B. 439.82cm^2

Step-by-step explanation:

A=2\pirh +2\pir^{2}

A= 2\pi \\5(9) + 2\pi5^{2}

A=439.82 cm^2

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