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anonymous
 4 years ago
The height of a cylinder is three times the diameter of the base. The surface area of the cylinder is 126 ft2. What is the radius of the base?
anonymous
 4 years ago
The height of a cylinder is three times the diameter of the base. The surface area of the cylinder is 126 ft2. What is the radius of the base?

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jhonyy9
 4 years ago
Best ResponseYou've already chosen the best response.1 the surface area will be lateral area + 2 time area of base (down and up)  diameter equal 2 time radius  the height is 3 time the diameter so what sign that will be 3 time 2r equal 6r  because area of a circle equal pir^2  and lateral area of a cylinder equal 2pir time the height of cylinder  so after this can you continue please ?
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