TheKatRombloxOfMine TheKatRombloxOfMine
  • 22-05-2020
  • Mathematics
contestada

What is the surface area of the cylinder? Express the answer in terms of Pi?
Cylinder. Diameter 8 centimeters. Height 18 centimeters

a
176π cm2

b
304π cm2

c
152π cm2

d
792π cm2

What is the surface area of the cylinder Express the answer in terms of Pi Cylinder Diameter 8 centimeters Height 18 centimeters a 176π cm2 b 304π cm2 c 152π cm class=

Respuesta :

jcherry99
jcherry99 jcherry99
  • 26-05-2020

Answer:

A

Step-by-step explanation:

Lids

It is not clear how many lids the cylinder has or perhaps it is a solid. I'll say it has 2 lids.

The surface area of one lid = pi * r^2

r = 4

The surface area of one lid is pi*4^2 =16 pi

The surface area of two lids is 32*pi

Body

Length of the body = pi * d

Length of the body = 8 * pi cm

Height of the body = 18 cm

Area = l*h

Area = 8pi * 18 cm

Area = 144 pi

Total

Total Area = 32 pi + 144pi

Area = 176 pi cm^2

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