In the adjoining figure, `D E` is parallel to `B C` and `A D=1c m`, `B D=2c m`. What is the ratio of the area of `/_\ A B C` to the area of `/_\ A D E`?

In Figure, A B C D is a rectangle in which C D=6c m ,\ A D=8c m . Find the area of parallelogram C D E F

If A B C ∼ D E F such that A B=1. 2 c m and D E=1. 4 c m . Find the ratio of areas of A B C and D E F .

In Figure, A B C D is a rectangle with sides A B=10 c m\ a n d\ A D=5c mdot Find the area of E F G

In Figure, A B C D is a rectangle with sides A B=10 c m\ a n d\ A D=5c mdot Find the area of E F G

In Figure, A B C D is a rectangle with sides A B=10 c m\ a n d\ A D=5c m . Find the area of /_\ E F G

In A B C ,\ D and E are the mid-points of A B and A C respectively. Find the ratio of the areas of A D E and A B C .

In Fig. 4.170, A B C D is a trapezium in which A B∥ D C and A B=2\ D C . Determine the ratio of the areas of A O B and C O D . (FIGURE)

In Fig. 4.178, D E∥ B C (FIGURE) (i) If D E=4c m , B C=6c m and Area ( A D E)=16\ c m^2 , find the area of A B C . (ii) If D E=4c m , B C=8c m and Area ( A D E)=25\ c m^2 , find the area of A B C . (iii) If D E : B C=3:5 . Calculate the ratio of the areas of A D E and the trapezium B C E D .

In the adjoining figure A B D C\ a n d\ D A is perpendicular to A Bdot Further, D C=7c m ,\ C B=10 c m\ a n d\ A B=13 c mdot Find the area of the quadrilateral A B C Ddot

If D is a point on the side A B of /_\ A B C such that A D : D B=3:2 and E is a point on B C such that DE||AC . Find the ratio of areas of /_\ A B C and /_\ B D E .