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In Fig. 4.228, l m (FIGURE) Name thr...

In Fig. 4.228, `l m` (FIGURE) Name three pairs of similar triangles with proper correspondence; write similarties. Prove that `(A B)/(P Q)=(A C)/(P R)=(B C)/(R Q)`

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RD SHARMA-TRIANGLES-All Questions
  1. In Fig. 4.227, A M B C M D ; determine M D in terms of x ,\ y...

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  2. In A B C , the bisector of /A intersects B C in D . If A B=18 c m ...

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  3. In Fig. 4.228, l m (FIGURE) Name three pairs of similar triangl...

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  4. In Fig. 4.229, A B D C Prove that (FIGURE) D M U B M V (ii) ...

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  5. A B C D is a trapezium in which A B D C . P and Q are points on...

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  6. In A B C ,\ D and E are points on sides A B and A C respectively ...

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  7. A B C D is a trapezium having A B D C . Prove that O , the poin...

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  8. Corresponding sides of two triangles are in the ratio 2\ :3 . If th...

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  9. The areas of two similar triangles are 36\ c m^2 and 100\ c m^2 . I...

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  10. Corresponding sides of two similar triangles are in the ratio 1:3 ....

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  11. In Fig. 4.230, each of P A ,\ Q B ,\ R C and S D is perpendicula...

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  12. In A B C , ray A D bisects /A and intersects B C in D . If B C=a , ...

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  13. In each of the figures given below, an altitude is drawn to the hyp...

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  14. There is a staircase as shown in Fig. 4.232, connecting points A an...

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  15. In A B C ,\ \ /A=60o . Prove that B C^2=A B^2+A C^2-A B.A C .

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  16. In A B C , /C is an obtuse angle. A D|B C and A B^2=A C^2+3\ B C^2...

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  17. A point D is on the side B C of an equilateral triangle A B C su...

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  18. In A B C , if B D|A C and B C^2=2\ A C C D , then prove that A B=...

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  19. In a quadrilateral A B C D , given that /A+/D=90o . Prove tha...

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  20. In A B C , given that A B=A C and B D|A C . Prove that B C^2=2\...

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