If ` A B C` and ` D E F` are similar triangles such that `2\ A B=D E` and `B C=8c m` , then `E F=`

If /_\A B C and /_\D E F are similar triangles such that A B=3c m , B C=2c m C A=2. 5 c m and E F=4c m , find the perimeter of D E F .

If /_\A B C and /_\D E F are similar triangles such that /_A=47^0 and /_E=83^0 , then /_C= (a) 50^0 (b) 60^0 (c) 70^0 (d) 80^0

If /_\A B C and /_\D E F are similar triangles such that /_A=57^0 and /_E=73^0 , what is the measure of /_C ?

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 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)=

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)=3/4 , then write Area ( A B C): A r e a( D E F) .

If A B C\ a n d\ D E F are two triangles such that A B ,\ B C are respectively equal and parallel to D E ,\ E F . Then show that (i) Quadrilateral A B E D is a parallelogram (ii) Quadrilateral B C F E is a parallelogram (iii) A C=D F (iv) A B C\ ~=\ D E F

If triangle A B C is similar to triangle D E F such that B C=3cm ,E F=4c m and area of triangle A B C=54c m^2 . Determine the area of triangle D E Fdot

D and E are the points on the sides A B and A C respectively of a triangle A B C such that: A D=8c m ,\ \ D B=12 c m ,\ \ A E=6c m and C E=9c m . Prove that B C=5//2\ D E .

If Delta A B C ~ Delta D E F such that B C=3c m , E F=4c m and a r( A B C)=54 c m^2 , then a r( D E F)=