A quadrilateral is a four-sided shape. It could be a square, rectangle, kite, rhombus, parallelogram or trapezium. For any quadrilateral, the angles of the four corners add up to \(360^\circ\).

The opposite sides are parallel. The diagonals bisect each other at right angles. A kite has two pairs of equal sides. It has one pair of equal angles. The diagonals bisect at right angles.

They’re hanging from all these different angles, some on the wall, some over the window,” said Topher Sipes, one of the artists behind the kites. Sipes, a former glass bottom boat pilot at The ...