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The two interior opposite angles of an e...

The two interior opposite angles of an exterior angles of a triangle are `60^@` and `80^@`. Find the measure of the exterior angle.

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PSEB-THE TRIANGLE AND ITS PROPERTIES-EXAMPLE
  1. Can the exterior angle of a triangle be a straight angle?

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  2. The exterior angle of a triangle is of measure 70^@ and one of its int...

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  3. The two interior opposite angles of an exterior angles of a triangle a...

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  4. Is something wrong in this diagram? Comment.

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  5. Find the value of the unknown exterior angle x in the following diagra...

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  6. Find the value of the unknown exterior angle x in the following diagra...

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  7. Find the value of the unknown exterior angle x in the following diagra...

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  8. Find the value of the unknown exterior angle x in the following diagra...

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  9. Find the value of the unknown exterior angle x in the following diagra...

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  10. Find the value of the unknown exterior angle x in the following diagra...

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  11. Find the value of the unknown interior angle x in the following figure...

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  12. Find the value of the unknown interior angle x in the following figure...

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  13. Find the value of the unknown interior angle x in the following figure...

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  14. Find the value of the unknown interior angle x in the following figure...

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  15. Find the value of the unknown interior angle x in the following figure...

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  16. Find the value of the unknown interior angle x in the following figure...

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  17. The total measure of the three angles of a triangle is 180°. To justif...

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  18. In the given figure find mangleP.

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  19. Find the value of the unknown x in the following diagrams:

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  20. Find the value of the unknown x in the following diagrams:

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