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A vertical stick 10 cm long casts a s...

A vertical stick 10 cm long casts a shadow 8 cm long. At the same time a tower casts a shadow 30m long. Determine the height of the tower.

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RD SHARMA ENGLISH-TRIANGLES-All Questions
  1. In Figure, /A C B=90dot and C D|A B . Prove that (C B^2)/(C A^2)=(B ...

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  2. In Figure, /\A C B ~ /\A P Q . If B C=8c m , P Q=4c m , B A=6. 5 c m a...

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  3. A vertical stick 10 cm long casts a shadow 8 cm long. At the same t...

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  4. In Figure, AB||QR . Find the length of P B .

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  5. In Fig. 4.138, X Y || B C . Find the length of X Y .

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  6. In a right angled triangle with sides a and b and hypotenuse c ,...

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  7. In Figure, /A B C=90^o and B D|A C . If B D=8c m , A D=4c m , find C D...

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  8. In Fig. 4.140, /A B C=90o and B D|A C . If A B=5. 7 c m , B D=3. 8\...

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  9. In Figure D E || B C such that AE = (1/4) AC If A B=6 cm, then 'f i ...

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  10. In Fig. 4.142, P A ,\ Q B and R C are each perpendicular to A C ...

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  11. In Fig. 4.143, /A=/C E D , prove that C A B∼ C E D . Also, fi...

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  12. The perimeters of two similar triangles are 25cm and 15cm respectiv...

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  13. In A B C and D E F , it is being given that: A B=5c m ,\ \ B C=4c...

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  14. D and E are the points on the sides A B and A C respectively of a tria...

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  15. In A B C , A L and C M are the perpendiculars from the vertices A a...

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  16. In Fig. 4.144, we have A B∥ CD∥ EF . If A B=6c m , C D=x\ c m , E F...

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  17. In Fig. 4.145, if A B|B C , D C|B C and D E|A C , prove that C E ...

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  18. In an isosceles triangle A B C, where CA = CB the base A B is produce...

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  19. Diagonals A C and B D of a trapezium A BC D with A B, D C intersect ...

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  20. If A B C and A M P are two right triangles, right angled at B and ...

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