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03-07-2020
Mathematics

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I need help the answer correct will get a prize

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RVADAMARAJANCHITHRA RVADAMARAJANCHITHRA

03-07-2020

Answer:

2260.8cm^2

Step-by-step explanation:

Area of cross - section x 2 = 3.14 x r^2 x 2= 3.14 x 144 x 2= 904.32cm^2

Area of curved surface = pi x d x 18 = 3.14 x 24 x 18 = 1356.48cm^2

Total surface area = 1356.48 + 904.32 = 2260.8 cm^2

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