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The lateral area of a right cylinder having a base diameter of 10 units and a height of 10 units is:

A) 78.5 units squared.

B) 157 units squared.

C) 235.5 units squared.

D) 314 units squared.

pwolfey  Nov 8, 2017

Best Answer 

 #1
avatar+5258 
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lateral area of cylinder   =   circumference of base * height

 

circumference of base   =   pi * diameter   =   pi * 10   =   10pi

 

Plug in  10pi  for the circumference of base and  10  for height.

 

lateral area of cylinder   =   10pi * 10   =   100pi   ≈   314  un2

hectictar  Nov 8, 2017
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1+0 Answers

 #1
avatar+5258 
+2
Best Answer

lateral area of cylinder   =   circumference of base * height

 

circumference of base   =   pi * diameter   =   pi * 10   =   10pi

 

Plug in  10pi  for the circumference of base and  10  for height.

 

lateral area of cylinder   =   10pi * 10   =   100pi   ≈   314  un2

hectictar  Nov 8, 2017

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