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If Figure, arms `B A\ a n d\ B C\ ` of `/_A B C` are respectively parallel to arms `E D\ a n d\ E F` of `/_D E F` . Prove that `/_A B C=/_D E F`.

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RD SHARMA ENGLISH-LINES AND ANGLES -All Questions
  1. Which pair of lines in Fig. are parallel? Given reasons.

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  2. If l ,\ m,\n are three lines such that l || m\ a n d\ n|l , prove th...

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  3. If Figure, arms B A\ a n d\ B C\ of /A B C are respectively paralle...

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  4. Which of the following statements are true (T) and which are false (...

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  5. Fill in the blanks in each of the following to make the statement tr...

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  6. Define complementary angles.

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  7. Define supplementary angles.

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  8. Define Adjacent angles.

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  9. The complement of an acute angle is ..............

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  10. The supplement of an acute angle is .............

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  11. The supplement of a right angle is ..............

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  12. Write the Supplement of an angle of measure 60^@.

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  13. Write the supplement of an angle of measure 45^0dot

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  14. If a wheel has six spokes equally spaced, then find the measure of ...

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  15. An angle is equal to its supplement. Determine its measure.

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  16. An angle is equal to five times its complement. Determine its measu...

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  17. How many pairs of adjacent angles are formed when two lines intersec...

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  18. One angle is equal to three times its supplement. The measure of the...

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  19. Two complementary angles are such that two times the measure of one ...

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  20. Two straight lines A B\ a n d\ C D intersect one another at the poin...

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