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)`

Two triangles ABC and DEF such that /_A=/_D,/_B=/_E and /_C=/_F. Then

In two triangles A B C\ a n d\ D E F , it is given that /_A=/_D ,\ /_B=/_E and /_C=/_Fdot Are the two triangles necessarily congruent?

If in two triangles A B C and D E F , (A B)/(D E)=(B C)/(F E)=(C A)/(F D) , then F D E C A B (b) F D E A B C (c) C B A F D E (d) B C A F D E

If in two triangles A B C and D E F , (A B)/(D E)=(B C)/(F E)=(C A)/(F D) , then F D E C A B (b) F D E A B C (c) C B A F D E (d) B C A F D E

If A B C and DEF are two triangles such that A B C\ ~= F D E\ a n d\ A B=5c m ,\ /_B=40^0\ a n d\ /_A=80^0dot Then, which of the following is true? (a)D F=5c m ,\ /_F=60^0 (b) D E=5c m ,\ /_E=60^0 (c)D F=5\ c m ,\ /_E=60^0 (d) D E=5c m ,\ /_D=40^0

If A B C and DEF are two triangles such that A B C ~= F D E a n d A B=5c m , /_B=40^0 a n d /_A=80^0dot Then, which of the following is true? D F=5c m , /_F=60^0 (b) D E=5c m , /_E=60^0 D F=5 c m , /_E=60^0 (d) D E=5c m , /_D=40^0

If in A B C and D E F , (A B)/(D E)=(B C)/(F D) , then A B C ~ D E F when /_A=/_F (b) /_A=/_D (c) /_B=/_D (d) /_B=/_E

In Figure, If A B || C D\ a n d\ C D\ || E F , Find /_A C E .

In Fig. 71, if A B C D\ a n d\ C D E F ,\ find \ /_A C E

If A B C and D E F are two triangles such that (A B)/(D E)=(B C)/(E F)=(C A)/(F D)=2/5 , then A r e a( A B C): A r e a( D E F)=