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.
