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Please help! :] 50 Points and awarding Brainliest. Consider the following right pyramid and right prism. Both figures have a base that is a regular pentagon.
Heidi tried to use Cavalieri's principle to show that the two figures have the same volume.
"The base areas are the same. Therefore, corresponding cross-sections have the same area. The figures have the same height. So the volumes must be the same."
What is the first mistake Heidi made?
Choose 1 answer:
(Choice A)
A
The base areas are not the same.
(Choice B)
B
It isn’t true that corresponding cross-sections have the same area.
(Choice C)
C
The heights are not the same.
