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Lines P Q and R S intersect each other...

Lines `P Q` and `R S` intersect each other at point `Odot` If `/_P O R:/_R O Q=5:7,` find all the angles.

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`∠POR+∠ROQ=180 ^ o`
(Linear pair of angles) But `∠POR:∠ROQ=5:7` (Given)
Therefore, `∠POR= ...
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RD SHARMA-LINES AND ANGLES -All Questions
  1. In Figure, O P ,\ O Q ,\ O R\ a n d\ O S are four rays. Prove that /...

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  2. In Figure, ray O S stand on a line P O Qdot Ray O R and ray O T are an...

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  3. Lines P Q and R S intersect each other at point Odot If /P O R:/R O...

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  4. In Figure, P O Q is a line. Ray O R is perpendicular to lien P QdotO...

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  5. In Figure, A B C D is a rectangle. Find the values of xa n dydot

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  6. In Figure, determine the value of ydot

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  7. In Figure, three coplanar lines intersect in a common point, forming...

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  8. In figure, A B\ a n d\ C D are straight lines and O P\ a n d\ O Q are ...

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  9. In Figure, two straight lines P Q\ a n d\ R S intersect each other a...

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  10. In Figure, lines l1a n d\ L2\ i ntersect \ at \ O, forming angles as ...

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  11. In Figure, three coplanar lines intersect at a point O , forming ang...

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  12. In Figure, find the value of x ,\ y\ a n d\ z

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  13. In Figure, find the value of x

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  14. Prove that the bisectors of a pair of vertically opposite angles are i...

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  15. If two straight lines intersect each other, prove that the ray oppo...

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  16. If one of the four angles formed by two intersecting lines is a rig...

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  17. The diagonals of a parallelogram A B C D intersect at Odot A line thro...

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  18. In a parallelogram A B C D diagonals A C\ a n d\ B D intersect at O\ a...

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  19. A B ,\ C D ,\ a n d\ E F are three concurrent lines passing through ...

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  20. In Figure, lines A B\ a n d\ C D intersect at O.

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