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John's farm silo is a right cylinder that is 35 feet high. Both the top and bottom base have a diameter of 22 feet. What is the approximate surface area of the metal used to make the silo? 

 Apr 13, 2020
 #1
avatar+23689 
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The two circular ends will each have the area of the circle    2   x  pi r^2      ft2            r = 11 ft

the cylindrical sidewall will have an area of  pi d h    ft2         d = 22 ft     h = 35 ft       plug and chug !

 Apr 13, 2020
 #2
avatar+12215 
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John's farm silo is a right cylinder that is 35 feet high. Both the top and bottom base have a diameter of 22 feet. What is the approximate surface area of the metal used to make the silo? 

laugh

 Apr 13, 2020

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