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Find the angles marked with a question mark shown in Figure:

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RD SHARMA-UNDERSTANDING PHASE-III (SPECIAL TYPES OF QUADRILATERALS)-All Questions
  1. Two adjacent angles of a parallelogram are (3x-4)^@a n d\ (3x+10)^@dot...

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  2. In a parallelogram A B C D , the diagonals bisect each other at Odot I...

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  3. Find the angles marked with a question mark shown in Figure:

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  4. The angle between the altitudes of a parallelogram, through the sam...

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  5. In Figure, A B C D\ a n d\ A E F G are parallelograms. If /C=55^0, wha...

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  6. In Figure, B D E F\ a n d\ D C E F are each a parallelogram. Is it tru...

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  7. In Figure, suppose it is known that D E=D Fdot Then, is A B C isoscel...

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  8. Diagonals of parallelogram A B C D intersect at O as shown in Figure. ...

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  9. In Figure, A B C D is a parallelogram, C E besects /C\ a n d\ A F bise...

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  10. Diagonals of a parallelogram A B C D intersect at OdotA L\ a n d\ C M ...

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  11. Point E\ a n d\ F lie on diagonals A C of a parallelogram A B C D such...

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  12. In a parallelogram A B C D ,\ A B=10 c m ,\ A D=6c mdot The bisector o...

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  13. In Figure, R I C E is parallelogram. Find x ,\ y ,\ zdot

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  14. In Figure, A B C D is a rhombus with /A B C=56^0dot Determine /A C Ddo...

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  15. One of the diagonals of a rhombus is equal to one of its sides. Find...

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  16. A B C D is a rhombus in which the altitude from D to side A B\ bisect...

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  17. Construct a rhombus whose diagonals are 10cm and 8cm.

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  18. Which of the following statements are true for a rhombus?

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  19. Fill in the blanks, in each of the following, so as to make the stat...

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  20. The diagonals of a parallelogram are not perpendicular. Is it a rhom...

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