The figure formed by the intersection of a solid with a plane parallel to the base of the solid is congruent to the base if the solid is a?
a. right cylinder
b. right cone
c. rectangular pyramid
d. frustum of a cone
i've read a math book twice to find the answer, i just want to know if i am right - cause i picked A
Yes, you are correct.
All of the other choices would have varied cross-sections...The cylinder is the only one to maintain uniformity throughout.
The greatest challenge to any thinker is stating the problem in a way that will allow a solution.