SOLUTION: The Lincoln Memorial has 36 exterior columns. Each marble column is 44 feet tall and has a diameter of 7 feet 5 inches. What is the volume of marble in a column?

Question 426574: The Lincoln Memorial has 36 exterior columns. Each marble column is 44 feet tall and has a diameter of 7 feet 5 inches. What is the volume of marble in a column?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

 V(cylinder) =    (sweeping the base up thru the height)

 d = 7'5" Or 89"  r = 44.5" OR 3.7083 ft

  V = 3.14 * 3.7^2*44ft  = 1891.4 ft^3, th evolume of marble in the column 

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