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A pentagon based pyramid.
It will have 6 faces including its base face
That could be a pentagonal pyramid.
Six - five triangular faces above the base, and then the pentagon base itself counts as a face.
sphere
A pentagon-based pyramid
A pentagon based pyramid.
A pyramid with an irregular pentagon base.
It will have 6 faces including its base face
A pentagonal is pentagon. As pentagon is 2D shape or object so it is having only one face.
That could be a pentagonal pyramid.
The bottom or (Base) of a shape. Example...
a pentagonal pyramid
Yes.
Six - five triangular faces above the base, and then the pentagon base itself counts as a face.
A regular dodecahedron, for example. Each face is a regular pentagon so no face has parallel sides. However, the edges on opposite faces are parallel to one another.
It depends on the shape of the base. A pyramid or a prism can have any polygonal shape as base and the formula for its area will depend on the shape. With other solid figures, the base may simply be the face tat the object happens to be "sitting" on: roll it and another face becomes the base.