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In Fig. 4.140, /A B C=90o and B D|A C...

In Fig. 4.140, `/_A B C=90o` and `B D_|_A C` . If `A B=5. 7 c m` , `B D=3. 8\ c m` and `C D=5. 4 c m` , find `B C` . (FIGURE)

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RD SHARMA-TRIANGLES-All Questions
  1. In a right angled triangle with sides a and b and hypotenuse c ,...

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  2. In Fig. 4.139, /A B C=90o and B D|A C . If B D=8c m , A D=4c m , fi...

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  3. 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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  4. In Fig. 4.141 D E B C such that A E=(1//4)A C . If A B=6c m , find...

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

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  6. In Fig. 4.143, /A=/C E D , prove that C A B C E D . Also, ...

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

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

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  9. D and E are the points on the sides A B and A C respectively of ...

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

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

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

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  13. In an isosceles A B C , the base A B is produced both the ways ...

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  14. Diagonals A C and B D of a trapezium A B C D with A B D C intersec...

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

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  16. A vertical stick of length 6m casts a shadow 4m long on the ground a...

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  17. In Fig. 4.145 (a) A B C is right angled at C and D E|A B . Prov...

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  18. If A B C D E F such that A B=1. 2 c m and D E=1. 4 c m . Find the ...

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  19. In two similar triangles A B C and P Q R , if their correspondin...

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  20. If A B C D E F such that area of A B C is 9\ c m^2 and the a...

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