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If in two triangles A B C and D E F ,...

If in two triangles `A B C` and `D E F` , `/_A=/_E ,\ \ /_B=/_F` , then which of the following is not true? `(B C)/(D F)=(A C)/(D E)` (b) `(A B)/(D E)=(B C)/(D F)` (c) `(A B)/(E F)=(A C)/(D E)` (d) `(B C)/(D F)=(A B)/(E F)`

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RD SHARMA-TRIANGLES-All Questions
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  5. A B C D E F . If B C=3c m , E F=4c m and a r( A B C)=54 c m^2 , then...

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  6. A B C P Q R such that a r( A B C)=4a r( P Q R)dot If B C=12 c m , th...

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  9. In an equilateral triangle A B C if A D|B C , then 5A B^2=4A D^2 (b...

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  11. In an isosceles triangle A B C if A C=B C and A B^2=2A C^2 , then /...

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  12. A B C is an isosceles triangle in which /C=90o . If A C=6c m , then...

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  13. If in two triangles A B C and D E F , /A=/E ,\ \ /B=/F , then wh...

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  14. In an isosceles triangle A B C , if A B=A C=25 c m and B C=14 c m ,...

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  15. In Fig. 4.242 the measures of /D and /F are respectively (FIGURE...

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  16. In Fig. 4.243, the value of x for which D E A B is (FIGURE) (a) 4 ...

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  17. In Fig. 4.244, if /A D E=/A B C , then C E= (FIGURE) (a) 2 (b) 5 (c...

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  18. In Fig. 4.245, R S D B P Q . If C P=P D=11 c m and D R=R A=3c m ....

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  19. In Fig. 4.246, if P B C F and D P E F , then (A D)/(D E)= (FIGURE...

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  20. A chord of a circle of radius 10cm subtends a right angle at the ce...

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