In Fig. 21, if `A B=35\ c m ,` `A D=20\ c m` and area of the parallelogram is 560 `c m^2` find `L Bdot`

In Fig. 21, A B C D is a parallelogram, D L_|_A Bdot If A B=20\ c m , A D=13\ c m and area of the parallelogram is 100 c m^2 find A Ldot

In Figure, a parallelogram is drawn in a trapezium, the area of the parallelogram is 80\ c m^2, find the area of the trapezium.

In Fig.42, A B C D is a parallelogram in which A D=21\ c m ,\ D H=18\ c m and D K=27\ c mdot The perimeter of the parallelogram is (a) 105 cm (b) 84.5 cm (c) 169 cm (d) 52.5 cm

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

In Fig. , A D bisects /_A ,\ \ A B=12 c m ,\ \ A C=20 c m and B D=5c m , determine C D

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\ a n d\ F E C G are parallelograms equal in area. If a r\ ( A Q E)=12 c m^2, then a rF G B Q= (a) 12\ c m^2 (b) 20\ c m^2 (c) 24\ c m^2 (d) 36\ c m^2

If ΔA B C ∼ ΔD E F such that A B=5c m , area (Δ A B C)=20\ c m^2 and area (Δ D E F)=45\ c m^2 , determine D E .

Triangles A B C and D E F are similar. If area ( A B C)=36\ c m^2 , area ( D E F)=64\ c m^2 and D E=6. 2 c m , find A Bdot (ii) If A B=1. 2 c m and D E=1. 4 c m , find the ratio of the areas of A B C and 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