Question

Which three-dimensional shapes do not have identical cross sections when cut by planes that are parallel to the base? Select all that apply.

cone

rectangular pyramid

cylinder

triangular prism

Answer 1

Cylinder is the answer hope this helps

Answer 2

Answer with explanation:

When cut by a plane, which is parallel to base,the following three dimensional shapes have identical two parts.

1. Cone=Cone +Frustum

2.Rectangular Pyramid= Doesn't have two identical parts

3. Cylinder= Two cylinders

4. Triangular Prism=the two parts are identical,if symmetrical it means cut from between.

So, Option 1: Cone

and Option 2: Rectangular pyramid

are the two shapes which do not have identical parts when cut by a plane parallel to it's base.