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 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)= 2:5 (b) 4: 25 (c) 4: 15 (d) 8: 125

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)

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

Identify A, B, C, D, E, F,G

In Figure, A B_|_B E\ a n d\ F E\ _|_B Edot If B C=D E\ a n d\ A B=E F , then A B D is congruent to: E F C (b) E C F (c) C E F (d) F E C

In Fig. 4.101, A D and C E are two altitudes of A B C . Prove that A E F ~ C D F (ii) A B D ~ C B E (iii) A E F ~ A D B (iv) F D C ~ B E C (FIGURE)

Most A, B, C, D, E and F refer to

Which of the following pairs of triangles are congruent? If they are congruent, write out the pairs of equal angles. A B C : A B=3c m , B C=4c m , C A=2 c m D E F : D E=2 c m , E F=3 c m a n d F D=4 c m P Q R : P Q=17 c m , Q R=15 c m , P R=18 c m D E F : D E=18 c m , E F=17 c m , D F=15 c m .

D ,\ E ,\ F are the mid-point of the sides B C ,\ C A\ a n d\ A B respectively of A B Cdot Then D E F is congruent to triangle. A B C (b) AEF (c) B F D ,\ C D E (d) A F E ,\ B F D ,\ C D E

(a)/(b) = (c)/(d) = (e)/(f) = k(a, b, c, d, e, f gt 0) then