A heptagon has 4 diagonal lines and 7 sides and it has 2 congruent diagonal lines and 2 congruent triangles
Not many. Depending on how you write, the letters L, O, Q, and X can have diagonal lines of symmetry.
4
zero
14
A heptagon has 4 diagonal lines and 7 sides and it has 2 congruent diagonal lines and 2 congruent triangles
There are four diagonal lines in a hexagon.
A cone does not have any parallel lines
Infinitely many. There are infinitely many lines from the apex to the base. Every point on each of these lines is on the surface of the cone.
Not many. Depending on how you write, the letters L, O, Q, and X can have diagonal lines of symmetry.
Diagonal lines are used for many things like art and designs. They can be used for buildings.
4
zero
it has 4 :)
14
14.
the answer would be 2