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In the fig. ABCD is a parallelogram if a...

In the fig. ABCD is a parallelogram if `angleADB=30^@` and `angleDCB=80^@` then find `angleDBA`

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MODERN PUBLICATION-QUADRILATERALS-EXERCISE
  1. If APB and CQD are two parallel lines, then the bisectors of the angle...

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  2. The figure obtained by joining the midpoints of the sides of a rhombus...

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  3. Dand E are the mid-points of the sides AB and AC of DeltaABC and O is ...

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  4. The figure formed by joining the midpoints of the sides of a quadrilat...

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  5. The diagonals AC and BD of a parallelogram ABCD intersect each other a...

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  6. Which of the following is not true for a parallelogram?

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  7. D and E are the mid-points of the sides AB and AC respectively of Delt...

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  8. The length of the diagonals of a rhombus are 24 cm and 32 cm. the peri...

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  9. Prove that the sum of the squares of the sides of a rhombus is equal t...

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  10. In the fig. ABCD is a parallelogram if angleADB=30^@ and angleDCB=80^@...

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  11. In a parallelogram PQRS, write the sum angles of P and Q.

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  12. The angle of a quadrilateral are in the ratio 1:3:5:6 find the greates...

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  13. ABCD is a rectangle in which diagonal AC bisects /A as well as /C. Sho...

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  14. State and prove mid point theorem.

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  15. The figure formed by joining the mid points of the adjacent sides of a...

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  16. E and F are points on diagonals AC of a parallelogram ABCD such that A...

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  17. If the length of the side of a rhombus is equal to the length ...

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  18. In the fig. AD is a median of triangle ABC and E is the mid point of A...

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  19. ABCD is a rectangle and P, Q, R and S are the mid-points of the sides ...

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  20. ABCD is a quadrilateral in which AB||DC and AD=BC. Prove that angleA=a...

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