CBSE Class 9 - Types and Angle Sum Property Videos
Quadrilaterals with two pairs of equal sides
This video explains the case study based question which describes different types of quadrilateral that can be formed with two pairs of equal sides
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Types and Angle Sum Property
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Types and Angle Sum Property
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Types and Angle Sum Property
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Parallelograms: Basic Properties
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Problem solving on properties related to parallelogr ...
- each side of square field ABCD is 50 m long, length of diagonal field is (route 2 =1.414
- diagonal AC of a parallelogram ABCD bisects ?A . i . it biseets ?C also ii . ABCD is a rhombus
- Why is'nt the angle sum property true for a concave quadrilateral even when we can divide it into two triangles
- what is quadrilaterals
- Why is the angle sum property not applicable to concave quadrilateral?(please explain briefly and if possible with proof and example) Thank you.
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In a quadrilateral ABCD, the line segments bisecting
C and D meet at E. Prove that A + B = 2 CED. 
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In the given figure, PQRS is a quadrilateral in which PQ is the longest side and RS is the shortest side. Prove that
R > P. 
- The angles of a quadrilateral are in the ratio 3: 5: 9: 13. Find all the angles of the quadrilateral.
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In the given figure, LMNQ is a parallelogram in which
L = 75o and QMN = 60o. Find NQM and LQM. 
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In the figure, PQRS is a trapezium in which PQ
SR. if 
P = 55o and Q = 70o, find R andS. 
