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ABCD is a parallelogram and BD is a diag...

ABCD is a parallelogram and BD is a diagonal. `angleBAD = 65^(@)` and `angleDBC = 45^(@)`, then m `angleBDC` is :

A

`65^(@)`

B

`70^(@)`

C

`20^(@)`

D

None of these

Text Solution

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The correct Answer is:
C
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-QUADRILATERAL-EXERCISE
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  2. ABCD is a parallelogram, angleDAB=30^(@) BC = 20 cm and AB = 40cm. Fin...

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  3. ABCD is a parallelogram and BD is a diagonal. angleBAD = 65^(@) and a...

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  4. In the given figure AD = 15 cm, AB = 20 cm and BC = CD = 25 cm. Find t...

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  5. In a trapizium ABCD, angleBAE=30^(@), angleCDF=45^(@), BC = 6 cm. and ...

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  6. A square and a rhombus have the same base and rhombus is inclined at 3...

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  7. ABCD is a quadrilateral in which diagonal BD = 64 cm. AL bot BD" and "...

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  8. If the sides of a quadrilateral ABCD touch a circle and AB = 6 cm, CD ...

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  9. ABCD is a parallelogram in which diagonals AC and BD intereset at O. I...

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  10. ABCD is a parallelogram AB is divided at P and CD at Q so that AP:PB =...

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  11. In a quadrilateral ABCD, OA and OB are the angle bisectors of angleDAB...

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  12. ABCD is a cyclic quadrilateral in which AB is a diameter, BC = CD and ...

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  13. ABCD is a cyclic quadrilateral. The tangent at A and C meet at a point...

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  14. Find the area of a trapezium ABCD in which AB || DC, AB = 26cm, BC = 2...

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  15. OABC is a rhombus whose the vertices A, B and C lie on a circle of rad...

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  16. ABCD is a cyclic trapezium whose side AD and BC are parallel to each o...

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  17. In a parallelogram ABCD, the bisector of anlgeA also bisects BC at E, ...

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  18. The ratio of the length of the diagonal of a rhombus is 2:5. Then, the...

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  19. If the sum of the lengths of the diagonals of a rhombus is 10 m and if...

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  20. PQRA is a rectangle, AP = 22 cm, PQ = 8 cm. DeltaABC is a triangle wh...

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