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In the figure, BEST is a rhombus, Then t...

In the figure, BEST is a rhombus, Then the value of y – x is

A

40°

B

50°

C

20°

D

10°

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NCERT EXEMPLAR-UNDERSTANDING QUADRILATERALS AND PRACTICAL GEOMETRY-EXERCISE
  1. The sum of angles of a concave quadrilateral is

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  2. Which of the following can never be the measure of exterior angle of a...

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  3. In the figure, BEST is a rhombus, Then the value of y – x is

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  4. The closed curve which is also a polygon is

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  5. Which of the following is not true for an exterior angle of a regular ...

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  6. PQRS is a square. PR and SQ intersect at O. Then anglePOQ is a

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  7. Two adjacent angles of a parallelogram are in the ratio 1:5. find all ...

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  8. A parallelogram PQRS is constructed with sides QR = 6 cm, PQ = 4 cm an...

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  9. The angles P, Q, R and S of a quadrilateral are in the ratio 1:3:7:9. ...

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  10. PQRS is a trapezium in which PQ||SR and angleP=130°, angleQ=110°. Then...

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  11. The number of sides of a regular polygon whose each interior angle is ...

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  12. If diagonal of a quadrilateral bisects each other at right angles then...

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  13. To construct a unique parallelogram, the minimum number of measurement...

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  14. To construct a unique rectangle, the minimum number of measurements re...

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  15. fill in the blanks to make the statements true In quadrilateral HOPE, ...

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  16. fill in the blank to make the statements true In quadrilateral ROPE, t...

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  17. fill in the blank to make the statements true In quadrilateral WXYZ, ...

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  18. fill in the blank to make the statement true The diagonals of the qua...

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  19. fill in the blank to make the statement true The sum of all of a quad...

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  20. The measure of each exterior angle of a regular pentagon is .

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