Faces = sides = 5.
Edges = 8
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Every face has 3 edges. CAUTION: DO NOT multiply the # of sides by 3, as that will not get you the # of edges. a triangular pyramid has 7 edges
You have the triangle on the bottom and the three faces on the sides, which means there are 4 faces and 6 edges.
a rectangular pyramid rectangular base and 4 triangular sides = 5 faces
You don't get any sides on 3D shapes. However, here are the features of both shapes: Square based pyramid: 5 faces, 5 vertices, 8 edges Triangular prism: 5 faces, 6 vertices, 9 edges. Then again, it depends on what type of base the pyramid in question has.
In a triangular based pyramid, the three faces that form the base are perpendicular to the apex of the pyramid, which means they have pairs of perpendicular sides. The other three faces, which are triangular, do not have pairs of perpendicular sides.