Question

A wooden block in the shape of a rectangular pyramid is shown below:

A shaded right rectangular pyramid is shown.

If a cross section of the block is cut perpendicular to the base and passes through the top vertex of the pyramid, which of the following shapes describes the cross section?
Triangle
Rectangle
Trapezoid
Hexagon

Answer 1

@Michele_Laino

Answer 2

here is my drawing:

Answer 3

the cutting plane is passing at the vertex of our pyramid

Answer 4

so a triangle

Answer 5

yes!

Answer 6

yay!!!!!!! your the best

Answer 7

here is a better drawing: