oopsydaisy oopsydaisy

25-11-2016
Mathematics

contestada

Find the best approximation of the surface area of this cylinder.

1380 cm2

4280 cm2

2140 cm2

1070 cm2

Find the best approximation of the surface area of this cylinder 1380 cm2 4280 cm2 2140 cm2 1070 cm2 class=

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Nirina7 Nirina7

29-11-2016

the main formula is A= 2pi r (H + r)
H= 9, and r= 11
so A= 2 *3.14*11* (9 + 11) = 1381.6 cm²
so the answer is 1380 cm2

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tadashiyamaguchilove tadashiyamaguchilove

11-03-2022

Answer:

1380

Step-by-step explanation:

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