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In Figure, the side B C\ of /\A B C is...

In Figure, the side `B C\ ` of ` /_\A B C` is produced to form ray `B D` as shown. Ray `C E` is drawn parallel to `B A` . Show directly, without using the angle sum property of a triangle that `A C D=\ /_A+/_B` and deduced that `/_A+/_B+/_C=180^@`.

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RD SHARMA ENGLISH-TRIANGLE AND ITS ANGLES-All Questions
  1. The side B C of a A B C is produced on both sides. Show that the s...

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  2. Sides B C ,\ C A\ a n d\ B A of a triangle A B C are produced to D ,\ ...

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  3. In Figure, the side B C\ of /\A B C is produced to form ray B D as...

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  4. Prove that the angle between internal bisector of one base angle an...

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  5. The side B C\ of a A B C is produced, such that D is one ray B Cdot ...

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  6. The exterior angles, obtained on producing the base of a triangle b...

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  7. In a triangle A B C , the internal bisectors of /B\ a n d\ /C meet...

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  8. In Figure, the sides B C ,\ C A\ a n d\ A B of a A B C have been prod...

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  9. Compute the value of x in each of the following figures:

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  10. In Figure, A B divides /D A C in the ratio 1\ :3\ a n d\ A B=D B. Dete...

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  11. A B C is a triangle. The bisector of the exterior angle at B and the...

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  12. In Figure, A M\ |B C\ \ a n d\ A N is the bisector of /Adot If /B=65^0...

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  13. In a \ A B C ,\ A D bisects /A\ a n d\ /C >/Bdot Prove that /A D B >\ ...

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  14. In Figure, A E bisects /C A D\ a n d\ /B=/Cdot Prove that A E||B C

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  15. In Figure, A B||D Edot Find /A C D

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

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  17. Fill in the blanks to make the following statements true: Sum of th...

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  18. Define a triangle.

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  19. Write the sum of the angles of an obtuse triangle.

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  20. In A B C , if /B=60^0,\ /C=80^0 and the bisectors of angles /A B C\ a...

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