oopsydaisy
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=

Respuesta :

Nirina7
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
Answer Link
tadashiyamaguchilove
tadashiyamaguchilove tadashiyamaguchilove
  • 11-03-2022

Answer:

1380

Step-by-step explanation:

Answer Link

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