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In all 9 edges are present. (3 edges at the triangular base of prism and 3 edges on the opposite triangular face. And, 3 edges connect the two faces of prism.)
The figure that has 2 triangular faces and 3 rectangular faces is known as a triangular prism. It looks like a standard two-pole tent, or the outer packaging of a bar of Toblerone.The objecta triangular prism.
They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.
a triangular pyramid
Short answer, yes. Long answer, a triangular prism has two triangular faces, its bases, and three rectangular faces, its sides, which connect the two faces. Unfolding the prism into a net reveals a rectangle divided into three rectangular sections (these are the three rectangular faces) and two congruent triangles attached along a common edge to one of these rectangles (these are the two triangular faces).