Diagonals turn rectangles into triangles, and triangles are one of the strongest shapes used in construction today. In fact, the 12th tallest building in the world, the John Hancock Center in ...
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 ...