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In Figure, if A B\ D E ,\ /B A C=35^0a ...

In Figure, if `A B\ D E ,\ /_B A C=35^0a n d\ /_C D E=53^0,` find `/_D C Edot`

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`∠DCE=∠EAB`(Alternate angles as AB∣∣DE and AE is transversal)
`∠DEC=35 ^ ∘`
In △DCE, we have `DCE+∠CED+∠CED=180 ∘` ...
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RD SHARMA-TRIANGLE AND ITS ANGLES-All Questions
  1. In Figure, side Q P\ a n d\ R Q of P Q R are produced to point S\ a n...

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  2. In Fig. 6.40, /X=62^@, /X Y Z=54^@. If YO and ZO are the bisectors of...

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  3. In Figure, if A B\ D E ,\ /B A C=35^0a n d\ /C D E=53^0, find /D C Ed...

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  4. In Fig. 6.42, if lines PQ and RS intersect at point T, such that /P R...

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  5. In Fig. 6.42, if lines PQ and RS intersect at point T, such that /P R...

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  6. The side B C of a A B C is produced on both sides. Show that the s...

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

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

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

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  10. If in a "Delta"A B C ,(cosA)/a=(cosB)/b=(cosC)/c , then find the measu...

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

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  12. An exterior angle of a triangle is 110^0 , and one of the interior opp...

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  13. An exterior angle of a triangle is 110^0, and one of the interior ...

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  14. Compute the value of x in each of the following figures: (ii) (iv...

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

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

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  17. The bisectors of base angles of a triangle cannot enclose a right an...

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  18. If the bisectors of the base angles of a triangle enclose an angle o...

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

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  20. In a parallelogram, the bisectors of any two consecutive angles inte...

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