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How many triangles can be drawn having i...

How many triangles can be drawn having its angles as `45^@,64^@` and `72^@`? Give reasons for your answer.

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MODERN PUBLICATION-LINES AND ANGLES-EXERCISE
  1. How many triangles can be drawn having its angles as 45^@,64^@ and 72^...

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  2. Find the complement of each of the following angles: 25^@

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  3. Find the complement of each of the following angles: 40^@

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  4. Find the complement of each of the following angles: 58^@

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  5. Find the complement of each of the following angles: 77^@

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  6. Find the supplement of each of the following angles: 54^@

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  7. Find the supplement of each of the following angles: 138^@

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  8. Find the supplement of each of the following angles: 14^@

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  9. Find the supplement of each of the following angles: 172^@

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  10. Find the measure of an angle, which is 36^@ is less than its complemen...

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  11. Find the measure of an angle, which is 36^@ more than its complement.

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  12. Find the measure of an angle which is 36^@ is less than its suplement.

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  13. Find the measure of an angle, which is 36^@ is less than its complemen...

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  14. If the angles (2x-10)^@ and (x-5)^@ are complementary angles. Find x.

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  15. Find the measure of angle, if seven times its complement is 10^@ less ...

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  16. If an angle differs from its complement by 10^@, find its angle.

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  17. An angle is 14^@ more than its complementary angle. What is its measur...

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  18. Find the angle which is double its complement.

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  19. Find the angles which is five times its supplement.

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  20. Two complementary angles are in the ratio of 4:5. find the angles.

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  21. Two supplementary angles are in the ratio 4:5. find the angles.

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