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A B C D is a square. A C\ a n d\ B D int...

`A B C D` is a square. `A C\ a n d\ B D` intersect at `O`. State the measure of `/_A O B`.

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RD SHARMA ENGLISH-QUADRILATERALS-All Questions
  1. In a parallelogram A B C D , determine the sum of angles /C\ a n d\...

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  2. In a parallelogram A B C D , if /D=135^0, determine the measures of ...

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  3. A B C D is a square. A C\ a n d\ B D intersect at O. State the measure...

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  4. A B C D is a rectangle with /A B D=40^0dot Determine /D B C

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  5. The sides A B\ a n d\ C D of a parallelogram A B C D are bisected at E...

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  6. P\ a n d\ Q are the points of trisection of the diagonal B D of a p...

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  7. A B C D is a square E ,\ F ,\ G\ a n d\ H are points on A B ,\ B C ,\ ...

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  8. A B C D is a rhombus, E A B F is a straight line such that E A=A B=B F...

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  9. A B C D is a parallelogram. A D is a produced to E so that D E=D C and...

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  10. In Figure, D ,E and F are, respectively the mid-points of sides B C ,C...

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  11. Prove that the four triangles formed by joining in pairs, the mid-p...

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  12. l, m and n are three parallel lines intersected by transversals p an...

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  13. Let A B C be an isosceles triangle with A B=A C and let D ,\ E ,\ F ...

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  14. A B C is a triangle right angled at B ; a n d\ P is the mid-point o...

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  15. P ,\ Q\ a n d\ R are, respectively, the mid points of sides B C ,\ C...

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  16. In Figure, A D\ a n d\ B E are medians of A B C\ a n d\ B E||D F . Pr...

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  17. In A B C ,A D is the median through A and E is the mid-point of A D ....

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  18. In a A B C , find the measures of the angles of the triangle formed b...

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  19. In Figure, A D is the median and D E||A B . Prove that B E is the medi...

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  20. A B C D is a rhombus and P ,\ Q ,\ R ,\ S are the mid-points of A B ,\...

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