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 A vase is the shape of a cylinder with no top. Its diameter is 12 cm and its height is 7 cm. Calculate the surface area of the vase, correct

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A vase is the shape of a cylinder with no top. Its diameter is 12 cm and its height is 7 cm. Calculate the surface area of the vase, correct to the nearest square centimetre. Surface area of vase = x cm2 (to nearest sq. cm)

 Jun 6, 2014

Best Answer 

 #1
avatar+130511 
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Lateral SAcylinder = 2*pi* r * h =  2 * pi * (6cm) * (7cm) = (84 * pi) cm2 = 263.89cm2

SA basecylinder = pi*(r)2 = pi (6cm)2 = (36*pi) cm2 = 113.09cm2

So .....263.89cm2   +   113.09cm2   = 376.98cm2 = 377cm2

 

 Jun 6, 2014

3+0 Answers

 #1
avatar+130511 
+5
Best Answer

Lateral SAcylinder = 2*pi* r * h =  2 * pi * (6cm) * (7cm) = (84 * pi) cm2 = 263.89cm2

SA basecylinder = pi*(r)2 = pi (6cm)2 = (36*pi) cm2 = 113.09cm2

So .....263.89cm2   +   113.09cm2   = 376.98cm2 = 377cm2

 

CPhill Jun 6, 2014
 #2
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Again, thankyou for all your help. Late night study of which my teacher wants emailed by tomorrow morning. Kudos to you!

 Jun 6, 2014
 #3
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The surface area of the vase is x cm2.

 Jun 6, 2014

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