SOLUTION: 1.If the height of a cylinder is doubled,by what number must the radius of the base be multiplied so that the resulting cylinder has the same volume as the original cylinder?
(A)4
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(A)4
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Question 476081: 1.If the height of a cylinder is doubled,by what number must the radius of the base be multiplied so that the resulting cylinder has the same volume as the original cylinder?
(A)4
(B)2
(C)1/(radical 2)
(D)1/2
(E)1/4
2.A cylinder with radius r and height h is closed on the top and bottom.Which of the following expressions represents the total surface area of this cylinder?(3.14 is the pi sign)
(A)2*3.14*r(r+h)
(B)3.14r(r+2h)
(C)3.14r(2r+h)
(D)3.14r^2+2h
(E)2*3.14r^2+h
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You can put this solution on YOUR website! 1.If the height of a cylinder is doubled,by what number must the radius of the base be multiplied so that the resulting cylinder has the same volume as the original cylinder?
C
The radius is squared in the formula for volume.
(A)4
(B)2
(C)1/(radical 2)
(D)1/2
(E)1/4
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2.A cylinder with radius r and height h is closed on the top and bottom.Which of the following expressions represents the total surface area of this cylinder?(3.14 is the pi sign)
(A)2*3.14*r(r+h)
(B)3.14r(r+2h)
(C)3.14r(2r+h)
(D)3.14r^2+2h
(E)2*3.14r^2+h
It's
=
A
