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In a parallelogram, prove that sum of an...

In a parallelogram, prove that sum of any two consecutive angles is `180^@`.

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MODERN PUBLICATION-QUADRILATERALS-EXERCISE
  1. ABCD is a quadrilateral whose diagonals AC and BD intersect at O, prov...

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  2. A diagonal of a rectangle is inclined to one side of the rectangle at ...

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  3. In a parallelogram, prove that sum of any two consecutive angles is 18...

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  4. If an angle of a parallelogram is two thid of its adjacent angle, find...

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  5. In the fig. ABCD is a parallelogram in which angleDAB=60^@ and angleDB...

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  6. In the fig. ABCD is a parallelogram in which angleBAO=35^@, angleDAO=4...

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  7. In the fig. ABCD is a parallelogram in which angleBAO=35^@, angleDAO=4...

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  8. In the fig. ABCD is a parallelogram in which angleBAO=35^@, angleDAO=4...

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  9. In the fig. ABCD is a parallelogram in which angleBAO=35^@, angleDAO=4...

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  10. The diagonals of a rhombus are perpendicular to each other .

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  11. The diagonals of a rectangle ABCD meet at o and angleBOC=44^@ and find...

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  12. ABCD is a rectangle with angleABD=40^@ determine angleDBC.

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  13. The sides AB and CD of a parallelogram ABCD are bisects at E and F. pr...

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  14. Two adjacent angles of a parallelogram have equal measure. Find the me...

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  15. The lengths of the diagonals of a rhombus are 10 cm and 8.2 cm .Its ar...

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  16. In the fig. ABCD is a square M is the mid point and PQ bot CM meets AD...

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  17. ABCD is a square M is the mid point of AB .PQbotCM. PQ meets AD at P a...

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  18. ABCD is a parallelogram. L and M are points on AB and DC respectively ...

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  19. In Fig. . ABCD is a parallelogram and E is the mid-point of side BC...

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  20. In the fig. ABCD is a parallelogram and X,Y and Z the points on diagon...

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