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The measure of an angle is twice the mea...

The measure of an angle is twice the measure of its supplementary angle. Find its measure.

A

`120^(@)`

B

`60^(@)`

C

`100^(@)`

D

`90^(@)`

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The correct Answer is:
A
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ARIHANT PUBLICATION PUNJAB-GEOMETRY-CHAPTER EXERCISE
  1. Which of the following statements is false?

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  2. Two parallel lines are cut by a transversal, then which of the followi...

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  3. The measure of an angle is twice the measure of its supplementary a...

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  4. In figure, OP bisects angle BOC and OQ bisects angle AOC, then angle P...

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  5. In Fig. 30, lines l1\ a n d\ l2 intersect at O , forming angles as sho...

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  6. In figure, determine the value of y.

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  7. AB and CD are two parallel lines. The points B and C are joined such t...

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  8. AB and CD are two parallel lines. PQ cuts AB and CD at E and F respect...

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  9. In the given figure, if EC || AB, angle ECD = 70^(@), angle BDO =20^(@...

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  10. In the given figure, if PQ || RS, angle QPT=115^(@) and angle PTR=20^(...

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  11. In figure, sides AB and AC of a Delta ABC are produced to P and Q, res...

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  12. In Delta PQR, PS is the bisector of angle P and PT bot QR, where angle...

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  13. An equilateral triangle A B C is inscribed in a circle with cent...

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  14. The number of triangles in the given figure is

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  15. AB, EF and CD are parallel lines. Given that EG=5cm, GC= 10 cm, AB = ...

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  16. In Delta ABC, AB = AC. The poins D and E are on BC. Such that AD = AE....

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  17. A point O in the interior of a rectangle A B C D is joined with ...

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  18. In the given figure, ABCD is a square. A line segment DX cuts the side...

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  19. In the given figure, ABCD is a parallelogram and M, N are the mid-poin...

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  20. In the figure XY is a tangent to the circle with centre O at A. If ang...

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