The diagonals AC = BD, and M is the point of intersection of the two diagonals.Ī trapezium or a trapezoid is an equilateral with one pair of opposite parallel sides. The Opposite sides of a rhombus are equal and parallel, and the opposite angles are the same.ĪBCD is a rhombus in which AB is parallel and equal to DC and AD is also parallel and equal to BC. Therefore, length PM = MR, & length SM = MQĪ rhombus is a quadrilateral with all four sides having equal lengths. Point M is the midpoint of the two diagonals of the parallelogram. In the parallelogram PQRS, side PQ is parallel to side SR, and side PS is parallel to side QR. Similarly, the opposite angles in a parallelogram are equal in measure. Real-life examples of squares include computers, keys, coasters, spaces on a chessboard, etc.Ī parallelogram is a quadrilateral with 2 pairs of parallel opposite and equal sides. All angles are right angles by definition.In a square, both pairs of opposite sides are parallel and equal in length. Their right angles make sure built things such as houses, office buildings, schools, etc., stand straight and tall.Ī square is a quadrilateral with 4 right angles (90°). Rectangles are easy to stack because they have two pairs of parallel sides. For example, shoe boxes, chopping boards, sheets of paper, picture frames, etc., are rectangular in shape. Rectangles are very handy to have around. In a rectangle, both the pairs of opposite sides are parallel and equal in length. Some of the quadrilaterals are surely familiar to you, while others may not be so familiar.Ī rectangle is a quadrilateral with 4 right angles (90°). There are six quadrilaterals in geometry. The list of real-world examples of quadrilaterals is endless. Quadrilaterals are everywhere! From the books, chart papers, computer keys, television, and mobile screens. In simple words, a quadrilateral is a shape with four sides. Therefore a quadrilateral is a closed two-dimensional polygon made up of 4-line segments. How the different types of quadrilaterals look like.Īs the word suggests, ‘ Quad’ means four and ‘ lateral’ means side.We call these 4-sided shapes the quadrilaterals. Many shapes have 4 sides, but the difference in angles on their sides makes them unique. Different types of shapes differ from each other in terms of sides or angles.
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