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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?
 one year ago
 one year 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?
 one year ago
 one year ago

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jhonyy9Best 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 ?
 one year ago
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