The centre of gravity of a parallelogram is the point of intersection of its diagonals.


Book 1, Proposition 10. - On the Equilibrium of Planes


The centre of gravity of a parallelogram is the point of intersection of its diagonals.

The centre of gravity of a parallelogram is the point of intersection of its diagonals.

The centre of gravity of a parallelogram is the point of intersection of its diagonals.

The centre of gravity of a parallelogram is the point of intersection of its diagonals.