Use the diagram to answer the questions.
what two-dimensional figure will be created by a horizontal cross section?
what two-dimensional figure will be created by a vertical cross section through the apex?

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.