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Eddi Din [679]
2 years ago
8

Plllllllllllease heeeeelp

Mathematics
2 answers:
MArishka [77]2 years ago
7 0

Answer:

967.12 cm^2

Step-by-step explanation:

To find surface area of cylinder:

Find area of cross section x 2 = pi x r ^2 = 153.86 x 2 = 307.72cm^2

Area of curved surface = 3.14 x 14 x 15 = 659.4 cm^2

Total Surface Area = 659.4 + 307.72  = 967.12cm^2

Hope this helps

Musya8 [376]2 years ago
6 0

Answer:

SA = 967.6 cm²

Step-by-step explanation:

Surface Area of cylinder = 2\pi r h + 2\pi r^2

<u><em>Where r = 7 cm, h = 15 cm</em></u>

=> SA = 2(3.14)(7)(15)+2(3.14)(7)²

=> SA = 659.7 + 2(3.14)(49)

=> SA = 659.7 + 307.9

=> SA = 967.6 cm²

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