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How many diagonals does a hexagon have?...

How many diagonals does a hexagon have?

A

9

B

8

C

22

D

6

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NCERT EXEMPLAR-UNDERSTANDING QUADRILATERALS AND PRACTICAL GEOMETRY-EXERCISE
  1. A quadrilateral whose opposite sides and all the angles are equal is a

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  2. A quadrilateral whose all sides, diagonals and angles are equal is a

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  3. How many diagonals does a hexagon have?

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  4. If the adjacent sides of a parallelogram are equal then parallelogram ...

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  5. If the diagonals of a quadrilateral are equal and bisect each other, t...

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  6. find the sum of all exterior angles of a triangle.

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  7. Which of the following is an equiangular and equilateral polygon?

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  8. Which one has all the properties of a kite and a parallelogram?

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

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  10. In the trapezium ABCD, the measure ofangleD is

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  11. A quadrilateral has three acute angles. If each measures 80°, then the...

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  12. The number of sides of a regular polygon where each exterior angle has...

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  13. In a parallelogram PQRS, if angleP = 60°, then other three angles are

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  14. If two adjacent angles of a parallelogram are in the ratio 2 : 3, then...

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

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  16. The sum of adjacent angles of a parallelogram is

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  17. The angle between the two altitudes of a parallelogram through the sam...

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  18. In the given figure, ABCD and BDCE are parallelograms with common base...

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  19. Length of one of the diagonals of a rectangle whose sides are 10 cm an...

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  20. If the adjacent angles of a parallelogram are equal, then the parallel...

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