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 Quadrilateral `A B E D` is a parallelogram Quadrilateral `B C F E` is a parallelogram `A C=D F` (iv) ` A B C\ ~=\ 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 A B C and 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) quad ABED is a parallelogram (ii) quad BCFE is a paralellogram (iii) AC=DF (iv) Delta ABC ~= Delta DEF

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 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) .

In DeltaA B C and DeltaD E F , A B\ =\ D E , A B\ ||\ D E , B C\ =\ E F and B C\ ||\ E F . Vertices A, B and C are joined to vertices D, E and F respectively (see Fig. 8.22).Show that (i) quadrilateral ABED is a parallelogram (ii) quadrilateral BEFC is a parallelogram (iii) AD || CF and AD = CF (iv) quadrilateral ACFD is a parallelogram (v) AC = DF (vi) ∆ ABC ≅ ∆ DEF.

In DeltaA B C and DeltaD E F , A B\ =\ D E , A B\ ||\ D E , B C\ =\ E F and B C\ ||\ E F . Vertices A, B and C are joined to vertices D, E and F respectively (see Fig. 8.22).Show that (i) quadrilateral ABED is a parallelogram (ii) quadrilateral BEFC is a parallelogram (iii) AD || CF and AD = CF (iv) quadrilateral ACFD is a parallelogram (v) AC = DF (vi) ∆ ABC ≅ ∆ DEF.

In Figure A B C D\ a n d\ A E F D are two parallelograms. Prove that: P E=F Q

In Figure A B C D\ a n d\ A E F D are two parallelograms. Prove that: P E=F Q

E , F , G , H are respectively, the mid-points of the sides A B ,B C ,C D and D A of parallelogram A B C D . Show that the quadrilateral E F G H is a parallelogram and that its area is half the area of the parallelogram, A B C Ddot