There are no lines of symmetry in a 3d figure.
The right question is how planes of symmetry are there in a pentagonal pyramid.
Then the correct answer is 5 planes of symmetry.
A pentagonal pyramid has 6 faces.
Not sure about phaces, but a pentagonal pyramid has 6 faces.
A pentagonal what? A pentagonal pyramid or pentagonal prism have different numbers of vertices.
A pentagonal pyramid has exactly 6 faces.and a pentagonal prisim has 7
A pentagonal pyramid has exactly 6 faces.and a pentagonal prisim has 7
There are no lines of symmetry in a 3d figure.The right question is how planes of symmetry are there in a pentagonal pyramid.Then the correct answer is 5 planes of symmetry.
A pentagonal pyramid has 6 vertices.
A pentagonal pyramid has 6 faces, 6 vertices and 10 edges.
6.
7
Five.
6