Seven.
A regular heptagon.
A heptagon has seven sides, so a regular heptagon has seven lines of symmetry (they run from each vertex to the middle of the opposite side).
A heptagon, which is a polygon with seven sides, has seven lines of symmetry. Each line of symmetry runs from a vertex to the midpoint of the opposite side or between two vertices. This means that a heptagon can be folded along any of these lines, and the two halves will match perfectly.
Seven
This depends...what lines are you talking about?
a 7 ply board if i think. where are the seven lines on theb oard
seven
It is a poem that has seven lines.
Seven.
Not usually.
no
A regular heptagon.
The seven books of the Old Testament that have no lines of poetry in them are Ruth, Ezra, Nehemiah, Esther, Song of Solomon, Lamentations, and Obadiah.
It need not have any; it can have seven.
A stanza or strophe consisting of seven lines.
A heptagon has seven sides, so a regular heptagon has seven lines of symmetry (they run from each vertex to the middle of the opposite side).