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Fill in the blanks: If two lines inter...

Fill in the blanks:
If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are __________.

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The correct Answer is:
obtuse angles
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NAND LAL PUBLICATION-LINES AND ANGLES -EXERCISES 5.1
  1. In the adjoining Is angle1 vertically opposite to angle4

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  2. In the adjoining Do angleCOE and angleEOD form a linear pair?

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  3. In the adjoining Are angle BOD and angleDOA supplementary

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  4. In the adjoining What is the vertically opposite angle of angle5

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  5. Indicate which pair of angle are form linear pair

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  6. Indicate which pair of angle are vertically opposite angles.

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  7. In the following is angle 1 adjacent to angle 2? Give reason.

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  8. Find the values of the angle x,y and z in each of the following bec...

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  9. Find the values of the angle x,y and z in each of the In the given ...

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  10. Fill in the blanks: If two angles are complementary, then the sum of...

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  11. Fill in the blanks: If two angles are supplementary, then the sum of...

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  12. Fill in the blanks: Two angles forming a linear pair are .

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  13. Fill in the blanks: If two adjacent angles are supplementary, they ...

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  14. Fill in the blanks: If two lines intersect at a point, then the vert...

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  15. Fill in the blanks: If two lines intersect at a point, and if one pa...

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  16. In the adjoining name the pair of angles Obtuse vertically oppos...

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  17. In the adjoining name the pair of angles Obtuse vertically oppos...

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  18. In the adjoining name the pair of angles Obtuse vertically oppos...

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  19. In the adjoining name the pair of angles Obtuse vertically oppos...

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  20. In the adjoining name the pair of angles Adjacent complementary ...

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