mayaaam09
mayaaam09 mayaaam09
  • 15-01-2021
  • Mathematics
contestada

A cylinder has a total surface of 3,41946cm2 and a diametre of 0,66cm. What is its height? Step by step

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SiliconFinisher1
SiliconFinisher1 SiliconFinisher1
  • 15-01-2021

Answer:

Total surface Area(A) = 2pi*r(r+h)

Diameter D= 2r

r=0.66/2=0.33cm

A=3.41946

3.41946=2*3.143*0.33(0.33+h)

3.41946=2.0744(0.33+h)

3.41946/2.0744=(0.33+h)

1.6484=0.33+h

1.6484-0.33=h

h=1.3184cm

Step-by-step explanation: Total surface area is different from area around the cylinder.

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