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In Fig. 5.29, PQ||RS and a : b = 3 : 2. ...

In Fig. 5.29, PQ||RS and `a : b = 3 : 2`. Then, f is equal to

A

`36^(@)`

B

`108^(@)`

C

`72^(@)`

D

`144^(@)`

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NCERT EXEMPLAR-LINES AND ANGLES -Exercise
  1. If an angle is 60^(@) less than two times of its supplement, then the ...

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  2. In Fig. 5.28, PQ || RS. If angle1=(2a+b)^(@) and angle6=(3a–b)^(@), ...

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  3. In Fig. 5.29, PQ||RS and a : b = 3 : 2. Then, f is equal to

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  4. In Fig. 5.30, line l intersects two parallel lines PQ and RS. Then, wh...

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  5. In Fig. 5.30, which one of the following is not true?

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  6. In Fig. 5.30, which of the following is true?

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  7. In Fig. 5.31, PQ||ST. Then, the value of x + y is

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  8. In Fig. 5.32, if PQ||RS and QR||TS, then the value a is

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  9. If a transversal intersects two parallel lines, then sum of interior...

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  10. If a transversal intersects two parallel lines, then alternate inte...

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  11. If a transversal intersects two parallel lines, then corresponding ...

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  12. If a transversal intersects two parallel lines, then alternate inte...

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  13. Two lines in a plane which do not meet at a point anywhere are called...

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  14. Two angles forming a pair are supplementary.

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  15. The supplement of an acute is always angle.

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  16. The supplement of a right angle is always angle.

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  17. The supplement of an obtuse angle is always angle.

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  18. In a pair of complementary angles, each angle cannot be more than .

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  19. An angle is 45^(@). Its complementary angle will be .

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  20. An angle which is half of its supplement is of .

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