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square ABCD is a parallelogram. If angle...

`square ABCD` is a parallelogram. If `angleD = 80^@` then `angle A, angle B, angle C` are

A

`80^@ , 100^@ ,100^@`

B

`100^@ , 80^@ , 100^@`

C

`80^@ , 100^@ , 80^@`

D

`100^@ , 80^@ , 80^@`

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VGS PUBLICATION-BRILLIANT-QUADRILATERALS-EXERCISE
  1. Fill in the blank:In a quadrilateral one pair of opposite sides are pa...

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  2. square ABCD is a trapezium in which AB////CD ,if angleA = 45^@,then a...

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  3. square ABCD is a parallelogram. If angleD = 80^@ then angle A, angle B...

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  4. The Bisectors of any two interior angles of a rhombus meet at

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  5. Diagonals are equal in a

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  6. Angle between the diagonals of a rhombus is

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  7. Each angle of a rectangle is

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  8. In DeltaABC,BC=8cm and D, E are the midpoints of AB and AC, also AF=1/...

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  9. In DeltaABC , D, E and F are the mid points of the sides, then DeltaDE...

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  10. If the diagonals of a quadrilateral bisect each other then it is a

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  11. Two adjacent sides of a parallelogram are 4.7 cm and 6.3 cm then its p...

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  12. If each pair of opposite angles are equal then it is a

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  13. In squareABCD , AB= DC and AD = BC also angleA = 90^@, then squareABCD...

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  14. The figure formed by joining the mid-points of sides of a rectangle is

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  15. Show that the figure formed by joining the midpoints of sides of a rho...

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  16. The sum of four angles of a quadrilateral is

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  17. One of the diagonals of the quadrilateral ABCD is

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  18. The opposite vertices of the quadrilateral PQRS are

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  19. If a parallelogram has all its angles as right angles, then it is a

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  20. Two given sides of a parallelogram are 8 cm and 3 cm, then its perimet...

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