If a right circular cone is intersected by a plane only at its vertex, as in the picture below, what shape is produced?​

A right circular cone can be intersected by some plane to produce circle, ellipse, hyperbola depending upon where the plane is crossing the cone.

But if the plane crosses at the vertex. Just one point is crossed.

49%

step-by-step explanation:

when you realize that you dont know just realize i just took a test and im so smart

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.