CBSE Class 9: Parallelograms: Diagonal Properties Videos | About the diagonal properties in parallelograms
About the diagonal properties in parallelograms
Establish the relation between the diagonals of the parallelogram. Condition for a quadrilateral to be a parallelogram.
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- prove that a diagonal of a parallelogram divides it into two congruent triangle
- if the diagonal of the parrellolegram are equl then show that it is a rectangle
- ABCD is a Parallelogram in which ?BAO = 35?, ?DAO=40? and ?COD=105?. Find ?ABO?
- ABCD is a Rhombus in which BC = 25cm, AD = 24cm. Find the sum of lengths of the diagonals.
- if the diagonal of a parallelogram are equal,then show that it is a rectangle.
- In a parallelogram ABCD the diagonals intersect at O. Prove that AO=CO.
- Diagonals of a parallelogram intersect each other at point O If AO=5,BO=12 and AB=13 then show that quadrilateral ABCD is a rhombus
- if O is a point within a quadrilateral ABCD , show that OA+OB+OC+OD>AC+BD
- Prove that the diagonals of a rhombus are perpendicular to each other.
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PQRS is a square. PR and SQ intersect at O. What is the measure of
POQ?
