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2 problems match “cylinders”. Clear

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1. Gallons of paint for cylindrical columns ●●○○○ 20 ptsTony will paint 16 right cylindrical columns. The top and bottom faces of each column will be covered, so those faces will not be painted. Each column is 18 feet tall and has a diameter of 10 feet. One gallon of paint covers 350 square feet. Paint is sold only in full gallons. How many gallons of paint must Tony buy to paint all 16 columns?
2. Intersection of two perpendicular cylinders ●●●●○ 100 ptsTwo cylinders of equal radius $3$ cm have axes that intersect at right angles. Find the volume of the solid common to both cylinders.