Question

bob wants to find the volume of the three - dimensional figure below. image of a three - dimensional figure: a cube with a pyramid on top, with side length 3 mm marked. into which two solids can bob separate the three - dimensional figure in order to find the volume?
○ a cylinder and a pyramid
○ a cube and a rectangular prism
○ a cube and a cone
○ a cube and a pyramid

Explanation:

The three - dimensional figure consists of a lower part which is a cube (since all sides are 3 mm, a cube has equal side lengths) and an upper part which is a pyramid (a polyhedron with a polygonal base and triangular faces meeting at a single vertex). A cylinder has a circular base, a rectangular prism has rectangular faces (the lower part here is a cube, not a general rectangular prism in the sense of the option), and a cone has a circular base. So the figure can be separated into a cube and a pyramid.

Answer:

a cube and a pyramid