We provide you year-long structured coaching classes for CBSE and ICSE Board & JEE and NEET entrance exam preparation at affordable tuition fees, with an exclusive session for clearing doubts, ensuring that neither you nor the topics remain unattended. We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. If all sides are equal and 2 pairs of sides are parallel to each other, it is called a rhombus. Some special types of parallelograms are squares and rectangles. If 2 pairs of sides are parallel to each other, it is called a parallelogram. If 2 sides of a quadrilateral are parallel to each other, it is called trapezoid or trapezium. These are also known as self-intersecting or crossed quadrilaterals. ![]() Intersecting: In which the pair of non-adjacent sides intersect. This implies that the angles formed by the equal sides are equal.Īrea = (pq)/2 if p and q are the lengths of the diagonals respectively.Ĭonvex: In which both the diagonals are inside the figure.Ĭoncave: In which both the diagonals are outside the figure. One diagonal divided the kite into two congruent triangles. The diagonals are perpendicular bisectors of each other. The diagonals are not equal, but they bisect each other at right angles. However, they are not equal to each other. This means that two of the sides are equal and the other two sides are equal. Out of the four sides, two adjacent sides are equal. If ‘L' is the length of the side of a square the length of the diagonal = L √2. The diagonals are perpendicular to and bisect each other.Ī square is a special type of parallelogram whose angles and sides are equal.Īlso, a parallelogram becomes a square when the diagonals are equal and right bisectors of each other. Opposite sides are parallel to each other. ![]() A quadrilateral can only be called a square if it satisfies both the properties of rectangle and rhombus. Also, the diagonals are perpendicular to each other and are also of equal length. ![]() Want to change the area unit? Simply click on the unit name, and a drop-down list will appear.A square is also a parallelogram as the opposite sides are parallel to each other. Regular polygon area formula: A = n × a² × cot(π/n) / 4.Quadrilateral area formula: A = e × f × sin(angle).Octagon area formula: A = 2 × (1 + √2) × a².Hexagon area formula: A = 3/2 × √3 × a².Trapezoid area formula: A = (a + b) × h / 2. ![]() Circle sector area formula: A = r² × angle / 2.For the sake of clarity, we'll list the equations only - their images, explanations and derivations may be found in the separate paragraphs below (and also in tools dedicated to each specific shape).Īre you ready? Here are the most important and useful area formulas for sixteen geometric shapes: Well, of course, it depends on the shape! Below you'll find formulas for all sixteen shapes featured in our area calculator.
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