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24-05-2022
Mathematics

contestada

A right cylinder has a radius of 4 and height of 11 . What is it’s surface area?

Respuesta :

r13220358 r13220358

24-05-2022

Answer:

376.8

Step-by-step explanation:

formula for SA=2×π×r×h + 2×π×r²

r = 4

r²= 16

h = 11

π= 3.14..

substitute:

SA= (2 × 3.14 × 4 × 11) + (2× 3.14 × 16)

276.32 + 100.48 = 376.8

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