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

A B C D is a square. E is the mid-point of B C and F is the mid-point of C D . The ratio of the area of triangle A E F to the area of the square A B C D is (a) 1 : 2 (b) 1 : 3 (c) 1 : 4 (d) 3 : 8

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 in which C D=6c m ,\ A D=8c mdot Find the area of parallelogram C D E F

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

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 Fig. 4.178, D E B C (FIGURE) 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 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. 4.178, 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 Figure, A B C D is a quadrilateral and B E|A C and also B E meets D C produced at Edot Show that area of A D E is equal to the area of the quadrilateral A B C D