If
the length, width, and height of a rectangular solid are all doubled,
by what factor is the length of its diagonal multiplied?
(A)
(B)
(C)
2
(D)
4
(D)
8
2.
A
cylinder’s radius is equal to its height. If its surface area is
100Ï, what is its volume?
(A)
25Ï
(B)
50Ï
(C)
100Ï
(D)
125Ï
(D)
625Ï
3.
Cone
A has volume 24. When its radius and height are multiplied by the
same factor, the cone’s surface area doubles. What is Cone A’s new
volume?
(A)
(B)
48
(C)
(D)
96
(D)
Not enough information to tell
4.
A rectangle stands so that its 6 inch side
lies flat against the ground. If the rectangle is rotated around
the axis of one of its two 4 inch sides, what is the volume of the
resulting cylinder?