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In Figure, A B C is a right triangle rig...

In Figure, `A B C` is a right triangle right angled at `B` and points `Da n dE` trisect `B C` . Prove that `8A E^2=3A C^2+5A D^2dot`

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RD SHARMA ENGLISH-TRIANGLES-All Questions
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  2. A D is a median of Delta A B C . The bisector of /A D B and /A D C...

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  3. In Figure, A B C is a right triangle right angled at B and points Da n...

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  4. In a triangle A B C , the angles at B and C are acute. If BE and CF b...

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  5. Prove that in any triangle the sum of squares of any two sides is equa...

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  7. A ladder 15 m long reaches a window which is 9 m above the ground o...

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  8. Prove that three times the sum of the squares of the sides of a tri...

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  9. In Figure, D , E are points on sides A B and A C respectively of /\A ...

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  10. In the trapezium ABCD,AC and BD intersect at O and also AB=2CD If the ...

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  11. ABC is an isosceles triangle right-angled at B. Similar triangles ...

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  12. In Figure, DE||BC and AD : D B=4: 5. Find (A r e a( D E F))/(A r e a( ...

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  13. ABC is a right triangle right-angled at B. Let D and E be any points o...

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  14. P and Q are the mid-points of the CA and CD respectively of a tri...

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  15. A girl of height 90 cm is walking away from the base of a lamp-post...

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  16. If A B C is a right triangle right-angled at Ba n dM ,N are the mid-...

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  17. Determine whether the triangle having sides (a-1)c m ,2sqrt(a)c m and ...

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  18. If triangle A B C is similar to triangle D E F such that B C=3cm ,...

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  19. The perimeters of two similar triangles are 30cm and 20cm respectively...

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  20. Two triangles B A Ca n dB D C , right angled at Aa n dD respectively, ...

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