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What is the value of sina . ....

What is the value of `sina` .
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MBD-Quadrilaterals-Exercise
  1. In Fig. , ABCD is a trapezium in which AB || DC and P, Q are mid-poi...

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  2. In Fig. , ABCD is a trapezium in which AB || DC and P, Q are mid-poi...

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  3. What is the value of sina . .

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  4. The triangle formed by joining the midpoints of the sides of an isosce...

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  5. The triangle formed by joining the midpoints of the sides of a right t...

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  6. The figure formed by joining the midpoints of the consecutive sides of...

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  7. If a line is divided by three parallel lines into two segments of leng...

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  8. The bisectors of angles of a parallelogram from a :

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  9. The angles of a quadrilateral are in the ratio 3 : 4 : 5 : 6. The resp...

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  10. If diagonals of a quadrilateral bisect each other at right angles, the...

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  11. If in rectangle ABCD , diagonal AC bisects /A as well as /C , then AB...

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  12. The line-segment joining the mid-points of two sides of a triangle is ...

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  13. Line segment joining the mid-points of the opposite sides of a quadril...

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  14. Three angles of a quadrilateral are 75^@, 90^@ and 75^@. The fourth an...

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  15. A diagonal of a rectangle is inclined to one side of the rectangle at ...

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  16. ABCD is a rhombus such that /ACB = 40^@. Then /ADB is

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  17. The quadrilateral formed by joining the mid-points of the sides of a q...

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  18. The quadrilateral formed by joining the mid-points of the sides of a q...

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  19. If angles A, B, C and D of the quadrilateral ABCD, taken in order, are...

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  20. If bisectors of /A and /B of a quadrilateral ABCD intersect each other...

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