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The number of lines of symmetry in a polygon corresponds to the number of sides it has. If a polygon has n sides, then its symmetry will be n lines of symmetry and it will have one point of symmetry. A pentagon has five lines of symmetry, nonagon has 9, n-gon has n lines of symmetry, so on and so forth.
A capital N has no lines of symmetry (nor semetry).
x= 5y+10 * * * * * That looks like a mistaken merge! A regular polygon with n sides has n lines of symmetry.
In general, a regular n-gon has n lines of symmetry (for odd n, each line goes through a vertex and the side opposite; for even n, half the lines go through two opposite vertices and half go through two opposite sides). A regular heptagon has 7 lines of symmetry. It has 7 symmetrical lines
the answer is U O S H K Z X N A D=2 0R MORE LINES OF SYMMETRY