Yes, take a pyramid for example. Four of the five faces are triangles, while the base is square.
One square and four triangles.
A pyramid has five faces, and two of those faces are triangles.
That sounds like a square-based pyramid.
Five. Four triangles and one square make up a square pyramid.
No.
A rectangle based pyramid or just a random 2-d sketch.
Isosceles TetrahedronA solid with four faces is a tetrahedron. Each of the faces is a triangle. If all the triangles are congruent, you have an isosceles tetrahedron.
tetrahedron
A triangular pyramid has four faces, and is referred to as a tetrahedron if the faces ale all equilateral triangles.
Five faced pyramid have 10 edges.Above is the answer for a pentagonal prism it has six faces (the bottom is also a face with five of the edges)A rectangular pyramid with five faces (four triangles and one rectangle) has eight edges.
Triangular prism