A circle with a radius equal to the base of the cone. This circle will be tangential to a segment of a circle whose arc is the same length as the circle, and whose radius is the slant height of the cone.
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A cone has only one face and laid flat it would look like a piece/slice of cake
a cone is a 3d shape and it has:1 edge1 verticeand2 facesA Cone don't have a face because the flat surface on the bottom is not a face..like a square pyramid.a square pyramid has only four faces ant it not include the flat surface on the bottom
The next of an octahedron looks like a series of 8 triangles.
ice cream cone, sometimes vases
A cross-section refers to the end of a prism, cones are not prisms. A shape like a cylinder is a prism. Hexagonal prisms have hexagonal cross-sections, and pentagonal prisms have pentagonal cross-sections. It's that simple.But for the sake of what the question COULD mean, I'll try and help.The easiest way to find the shape of a part of a three-dimensional object is to tear it apart (literally) and look at its net. The curved surface area of the cone looks like a rectangle when the cone is split open.Here are some formulas for the fun of things:Volume of cone = 1/3πr2hSurface area of cone =πrs +πr2π = Circumference (Perimeter of the circle) / Diameter (Length from one end of the circumference to the other end passing through the centre)r = Radius (Half the diameter)s = Side length (Up the side of the cone to the top)