It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. A parallelogram has two pairs of equal sides. It has two pairs of equal angles. The opposite ...

It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. A parallelogram has two pairs of equal sides. It has two pairs of equal angles. The opposite ...

The techniques used are useful for solving all kinds of other geometry problems too. There are two rules to remember. First, when a diagonal line is drawn crossing two parallel lines, it forms ...