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Line segments AB and CD intersect at O such that `A C||D B` . If `/_C A B=35^0` and `/_C D B=55^0` find the `/_B O Ddot`

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Line segments A B\ a n d\ C D intersect at O such that A C = D Bdot If /_C A B=45^0a n d\ /_C D B=55^0, then /_B O D= (a) 100^0 (b) 80^0 (c) 90^0 (d) 135^0

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In Figure, diagonals AC and BD of quadrilateral ABCD intersect at O such that O B = O D . If A B = C D , then show that: (i) a r /_\(D O C) = a r /_\(A O B) (ii) a r /_\(D C B) = a r /_\(A C B) (iii) D A || CB

RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES-All Questions
  1. In A B C ,\ /A=50^0\ a n d\ B C is produced to a point D. The bise...

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  2. In A B C ,\ /B=60^0,/C=40^0,\ A L|B C\ a n d\ A D bisects /A such tha...

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  3. Line segments AB and CD intersect at O such that A C||D B . If /C A...

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  4. In fig.22, A B C is right angled at Adot\ Q\ \ a n d\ R are points on...

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  5. In fig.25,two of the angles are indicated what is the measure of\ /...

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  6. An exterior angle of a triangle is 110^(0\ )\ and one of the inter...

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  7. One of the angles of a triangle has measure 80^0 and the other two ...

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  8. In fig.28, the measures of some of the angles are indicated. Find t...

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  9. In fig. 29, find /A B D , also, if /C=3\ /A B C , find /A B Cdot

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  10. In fig.30, find (i) /A C D , (ii) /A E D

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  11. The sides B C ,C A and A B of a triangle A B C , are produced in or...

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  12. The side B C of aA B C is produced on both sides. Show that the sum of...

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  13. Sides B C ,C A and BA of a triangle A B C are produced to D ,Q ,P resp...

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

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  15. In fig .35, /C B X is an exterior angle of A B C at B . Name (a) The ...

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  16. In fig.36, two of the angles are indicated. What are the measures o...

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  17. In a triangle, an exterior angle at a vertex is 95^0 and it one of ...

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  18. One of the exterior angles of a triangle is 80^0 , and the interior...

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

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  20. The sides B C ,C A and A B of a triangle A B C , are produced in or...

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