![]() The following quadrilateral XYZW is an isosceles trapezium, in which the legs are equal, i.e., WX = ZY, and the diagonals are also equal, i.e., XZ = WY.Ī rhombus is a quadrilateral with four equal sides. But if the two non-parallel opposite sides are of equal length, then it is called an isosceles trapezium. There is nothing special about the sides, angles, or diagonals of a trapezium. The sides that are not parallel to each other are called legs.In a trapezium, the sides that are parallel to each other are called bases.Observe the trapezium given above and relate it to the following properties: It has 2 diagonals that bisect each other.Ī trapezium is a quadrilateral in which one pair of opposite sides is parallel.The opposite angles of a parallelogram are equal.The opposite sides of a parallelogram are equal.A parallelogram has 2 pairs of parallel sides.Observe the parallelogram given above and relate it to the following properties: Here, AC = BD and the diagonals bisect each other.Ī parallelogram is a quadrilateral in which the opposite sides are parallel. The opposite sides of a rectangle are equal.A rectangle has 2 pairs of parallel sides.Observe the rectangle given above and relate it to the following properties: Here, AC ⊥ BD and the diagonals bisect each other.Ī rectangle is a quadrilateral in which the opposite sides are equal and parallel and each of its interior angles is 90°. ![]() It has diagonals that are perpendicular to each other.Observe the square given above and relate it to the following properties: SquareĪ square is a quadrilateral with four equal sides and four right angles. We can identify a quadrilateral by using the following properties of quadrilaterals. Now, let us read about the other properties of different quadrilaterals in detail. The sum of the interior angles of quadrilaterals is 360°.Though, there are some properties that are common to all quadrilaterals. Each of the quadrilaterals discussed above has its own properties.
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