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Triangle ABC is such that A B=3c m , B...

Triangle `ABC` is such that `A B=3c m` , `B C=2c m` and `C A=2. 5 c m` . If ` D E F ` `similar ``A B C` and `E F=4c m` , then perimeter of ` D E F` is

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RD SHARMA ENGLISH-TRIANGLES-All Questions
  1. If A B C and D E F are similar triangles such that 2\ A B=D E and ...

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  2. If A B C and D E F are two triangles such that (A B)/(D E)=(B C)/(...

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  3. Triangle ABC is such that A B=3c m , B C=2c m and C A=2. 5 c m . If ...

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  4. X Y is drawn parallel to the base B C of Delta A B C cutting A B a...

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  5. Two poles of height 6m and 11m stand vertically upright on a plane ...

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  6. In A B C , a line X Y parallel to B C cuts A B at X and A C at Y . ...

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  7. In Delta A B C , D and E are points on side A B and A C respectively...

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  8. In triangles A B C and D E F , /A=/E=40^0 , A B : E D=A C : E F and ...

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  9. If /\A B C and /\D E F are similar triangles such that /A=47^0 and /...

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  10. If D ,\ E and F are the mid-points of the sides of a /\A B C , the ...

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  11. In a A B C , /A=90^o , A B=5c m and A C=12 c m . If A D|B C , then A ...

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  12. In an equilateral triangle A B C , if A D|B C , then (a) 2\ A B^2=3...

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  13. If A B C is an equilateral triangle such that A D|B C , then A D^2=...

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  14. In a A B C , perpendicular A D from A on B C meets B C at D . If B...

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  15. In a Delta A B C , point D is on side A B and point E is on side A C ...

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  16. In a A B C , A D is the bisector of /B A C . If A B=6c m , A C=5c ...

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  17. In a A B C , A D is the bisector of /B A C . If A B=8c m , B D=6c ...

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  18. A B C D is a trapezium such that B C || A D and A D=4c m . If the ...

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  19. If A B C is an isosceles triangle and D is a point on B C such tha...

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  20. A B C is a right triangle right-angled at A and A D|B C . Then, (B D...

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