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In A B C , A D is a median. Prove th...

In ` A B C` , `A D` is a median. Prove that `A B^2+A C^2=2\ A D^2+2\ D C^2` .

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RD SHARMA ENGLISH-TRIANGLES-All Questions
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  2. A B C D is a rectangle. Points M and N are on B D such that A M|B D...

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  3. In A B C , A D is a median. Prove that A B^2+A C^2=2\ A D^2+2\ D C...

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  6. In a quadrilateral A B C D ,\ \ /B=90o . If A D^2=A B^2+B C^2+C D^2...

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  7. In a triangle A B C , N is a point on A C such that B N|A C . If...

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  8. Nazinia is fly fishing in a stream. The tip of her fishing rod is 1...

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  10. In the adjoining figure, find A C . (FIGURE)

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  11. In the adjoining figure, if A D is the bisector of /A if BD=4cm ,D...

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  12. State AA similarity criterion.

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  13. State S S S similarity criterion.

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  14. State S A S similarity criterion.

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  15. In the adjoining figure, D E is parallel to B C and A D=1c m, B D=2c m...

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  16. In the figure given below D E || B C . If A D=2. 4 c m , D B=3. 6 c ...

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  17. If the areas of two similar triangles A B C and P Q R are in the ...

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  18. The areas of two similar triangles are 169\ c m^2 and 121\ c m^2 re...

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  19. If /\A B C and /\D E F are similar triangles such that /A=57^0 and /...

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  20. If the altitude of two similar triangles are in the ratio 2:3 , wha...

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