The number of faces of a triangular pyramid or tetrahedron is
a) 5
c) 6
b) 4
d) 10
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The number of faces of a triangular pyramid or tetrahedron is
a) 5
c) 6
b) 4
d) 10
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there are 4 faces of a tetrahedron
Answer:
option (b)
4faces.....