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).
Seven
A heptagon s bounded by seven straight sides.
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.
A regular heptagon.
no
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).