A plane cuts through a cone parallel to its base. What shape is formed by this intersection

Unforunately, I do not know the the names of the shape but i drew it out and if the plane were to cut through the cone parallel to its base, it would look something like this i would assume:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

are ya tryin to ask something or is this a statement