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In a quadrilateral A B C D ,\ \ /B=90...

In a quadrilateral `A B C D ,\ \ /_B=90o` . If `A D^2=A B^2+B C^2+C D^2` then prove that `/_A C D=90o` .

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In a quadrilateral A B C D , /_B=90^o , A D^2=A B^2+B C^2+C D^2 , prove that /_A C D=90^o

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RD SHARMA ENGLISH-TRIANGLES-All Questions
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  6. State basic proportionality theorem and its converse.

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

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

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  10. State S S S similarity criterion.

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  11. State S A S similarity criterion.

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

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  18. If A B C and D E F are two triangles such that (A B)/(D E)=(B C)/(...

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  19. If /\A B C and /\D E F are similar triangles such that A B=3c m , ...

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