Here are more than 5 properties of a trapezium and an isosceles trapezium. Trapezium. Its properties are: (a) Opposite sides are parallel. (b) Two pairs of adjacent angles add up to 180 degrees. (c) The two non-parallel sides are unequal. read more
(c) An isosceles trapezium can be inscribed in a circle. (d) The diagonals of an isosceles trapezium are equal. (e) The diagonals of an isosceles trapezium form a pair of congruent triangles with the equal sides as the base and the other pair - similar triangles. (f) The two non-parallel sides are equal. read more