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In a triangle A B C ,\ \ A D|B C and A ...

In a ` triangle A B C ,\ \ A D_|_B C` and `A D^2=B DxxC Ddot` Prove that ` A B C` is a right triangle.

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RD SHARMA ENGLISH-TRIANGLES-All Questions
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  2. In an equilateral triangle A B C the side B C is trisected at D ...

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  3. In a triangle A B C ,\ \ A D|B C and A D^2=B DxxC Ddot Prove that A ...

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  4. P and Q are points on the sides C A and C B respectively of A B C, ri...

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  5. A B C is an isosceles triangle with A C=B C . If A B^2=2\ A C^2 , p...

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  7. Prove that the sum of the squares of the diagonals of parallelogram...

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  8. In a right triangle A B C right-angled at C ,\ P and Q are the p...

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  13. Two poles of heights 6 m and 11 m stand on a plane ground. If the d...

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  14. In an isosceles triangle A B C ,\ A B=A C=25 c m ,\ \ B C=14 c m . ...

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  15. The foot of a ladder is 6m away from a wall and its top reaches a w...

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  20. In an isosceles triangle A B C , if A B=A C=13 cm and the altitu...

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