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In a quadrilateral A B C D ,\ C O\ a n d...

In a quadrilateral `A B C D ,\ C O\ a n d\ D O` are the bisectors of `/_C\ a n d\ /_D` respectively. Prove that `/_C O D=1/2(/_A+/_B)dot`

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In quadrilateral A B C D ,\ A O\ a n d\ B O are the bisectors of /_A\ a n d\ /_B respectively. Prove that /_A O B=1/2(/_C+/_D)dot

In a quadrilateral A B C D ,C O and D O are the bisectors of /_C and /_D respectively. Prove that /_C O D=1/2(/_A+/_B)dot

In a quadrilateral ABCD , CO and DO are the bisectors of /_C and /_D respectively. Prove that /_C O D=1/2(/_A+/_B)

In a quadrilateral A B C D ,A O and B O are the bisectors of A/_ and /_B respectively. Prove that /_A O B=1/2(/_C+/_D)dot

In a quadrilateral A B C D ,A O and B O are the bisectors of A/_ and /_B respectively. Prove that /_A O B=1/2(/_C+/_D)dot

In Figure, bisectors of /_B\ a n d\ /_D of quadrilateral A B C D meet C D\ a n d\ A B produced at P\ a n d\ Q respectively. Prove that /_P+/_Q=1/2(/_A B C+/_A D C)dot

In Figure, bisectors of /_B and /_D of quadrilateral A B C D meet C D and A B produced at Pa n d Q respectively. Prove that : /_ P + /_Q= 1/2( /_ ABC + /_ ADC)

In Figure, bisectors of /_B and /_D of quadrilateral A B C D meet C D and A B produced at Pa n d Q respectively. Prove that : /_ P + /_Q= 1/2( /_ ABC + /_ ADC)

In a parallelogram A B C D , the bisectors of /_A\ a n d\ /_B meet at Odot Find /_A O Bdot

In a triangle A B C ,\ /_A B C=\ /_A C B and the bisectors of /_A B C\ a n d\ /_A C B intersect at O such that /_B O C=120^0dot Show that /_A=/_B=/_C=60^0 .

RD SHARMA ENGLISH-UNDERSTANDING PHASE-II (QUADRILATERALS)-All Questions
  1. The angles of a quadrilateral are 110^0,\ 72^0,\ 55^0\ a n d\ x^0dot F...

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  2. The three angles of a quadrilateral are respectively equal to 100^0,...

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  3. A quadrilateral has three acute angles each measures 80^0dot What i...

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  4. A quadrilateral has all its four angles of the same measure. What i...

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  5. Two angles of a quadrilateral are of measure 65^0 and the other two an...

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  6. Three angles of a quadrilateral are equal. Fourth angle is of measu...

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  7. The angles of a quadrilateral are in the ratio 3:5: 9:13. Find all th...

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  8. If the sum of the two angles of a quadrilateral is 180^0dot What is...

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  9. In Figure, find the measure of /M P N

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  10. theorem 1 (Exterior angle sum property) if the sides of quadrilateral ...

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  11. In Figure, the bisectors of /A\ a n d\ /B meet at a point Pdot If /C=1...

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  12. In a quadrilateral A B C D , the angles A ,\ B ,\ C\ a n d\ D are in t...

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  13. In a quadrilateral A B C D ,\ C O\ a n d\ D O are the bisectors of /C\...

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  14. Find the number of sides of a regular polygon, when each of its angl...

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  15. Find the number of degree in each exterior angle of a regular penta...

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  16. The measure of angles of a hexagon are x^0,\ (x-5)^0,\ (x-5)^0,\ (2x-5...

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  17. In a convex hexagon, prove that the sum of all interior angle is eq...

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  18. The sum of the interior angles of a polygon is three times the sum ...

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  19. Determine the number of sides of a polygon whose exterior and inter...

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  20. P Q R S T U is a regular hexagon. Determine each angle of triangle P ...

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