What does a trapezoid need?

is an Isosceles trapezoid when both angles coming from a parallel side are equal, and the sides that aren't parallel are equal in length. right arrow, is called a "Trapezium" in the ... Trapezium. A trapezium (UK: trapezoid) is a quadrilateral with NO parallel sides. read more

A trapezoid: has a pair of parallel sides is an Isosceles trapezoid when both angles coming from a parallel side are equal, and the sides that aren't parallel are equal in length. read more

An isosceles trapezoid is a trapezoid where the sides (legs) have the same length, and the base angles have the same measure. It has reflection symmetry. This is possible for acute or right trapezoids. A parallelogram is a trapezoid with two pairs of parallel sides. read more

It needs information about the lengths of the parallel sides, the length of the other two sides, three adjacent angles, two diagonals. This page may be out of date. read more