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If an angle of a parallelogram is two-th...

If an angle of a parallelogram is two-thirds of its adjacent angle, the smallest angle of the parallelogram is

A

`54^(@)`

B

`72^(@)`

C

`81^(@)`

D

`108^(@)`

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MTG IIT JEE FOUNDATION-UNDERSTANDING QUADRILATERALS-EXERCISE(MULTIPLE CHOICE QUESTION LEVEL-1)
  1. The diagonals do not necessarily intersect at right angles in a

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  2. In the given quadrilateral ABCD (not drawn to scale) BC=AC=AD. Find th...

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  3. If an angle of a parallelogram is two-thirds of its adjacent angle, th...

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  4. The diagonals do not necessarily bisect the interior angles at the ver...

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  5. In a square ABCD, AB=(2x+3) cm and BC=(3x-5) cm . Then , the value of ...

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  6. State whether the statements are true (T) or (F) false. A quadrilate...

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  7. An isosceles trapezium has

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  8. The quadrilateral in which only one pair of opposite sides are paralle...

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  9. A quadrilateral, which is both a rectangle and a rhombus is a

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  10. Adjacent angles of a parallelogram are .

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  11. A regular polygon is a polygon whose all sides are equal and all are ...

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  12. In a parallelogram if each angle is equal then it is called a

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  13. The angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. The smal...

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  14. Three angles of a quadrilateral are in the ratio 1:5:6. The mean of th...

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  15. In the adjoining figure, ABC is a parallelogram. The /ABD is

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  16. The sum of all angles of a quadrilateral is

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  17. If PQRS is a parallelogram, then angleP – angleR is equal to

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  18. Which of the following is a false statement for a parallelogram?

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  19. Which of the following statements are true for a rectangle? It has ...

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  20. Which of the following statements is false for a square?

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