Calculate the area of quadrilateral field `A B C D` as shown in Fig.35, by dividing it into a rectangle and a triangle.

In Figure, compute the area of quadrilateral A B C D .

Find the area of the field shown in Figure by dividing it into a square, a rectangle and a trapezium.

Calculate the area of the quadrilateral A B C D as shown in Fig.33, given that B D=42\ c m , A C=28\ c m , O D=12\ c m and A C_|_B D .

The sides B A and D C of a quadrilateral A B C D are produced as shown in Figure. Prove that a+b=x+ydot Figure

Calculate the area of the pentagon A B C D E , where A B=A E and with dimensions as shown in Fig.36.

A quadrilateral A B C D is such that diagonal B D divides its area in two equal parts. Prove that B D bisects A C . GIVEN : A quadrilateral A B C D in which diagonal B D bisects it. i.e. a r(triangle A B D)=a r(triangle B D C) CONSTRUCTION : Join A C Suppose A C and B D intersect at O . Draw A M_|_B D and C N _|_ B D . TO PROVE : A O=O C .

A quadrilateral A B C D is such that diagonal B D divides its area in two equal parts. Prove that B D bisects A C GIVEN : A quadrilateral A B C D in which diagonal B D bisects it. i.e. a r( triangle A B D)=a r( triangle B D C) CONSTRUCTION : Join A C Suppose A C and B D intersect at O . Draw A L_|_B D . TO PROVE : A O=O C

Diagonals A C and B D of a quadrilateral A B C D intersect at O in such a way that a r(triangle A O D)=a r(triangle B O C) . Prove that A B C D is a trapezium.

Calculate the potentials of points A, B,C and D as shown in Fig. a. What would be the new potential values if connections of 6 V battery are reversed as shown in fig b. All resistance are on ohm.

Area of quadrilateral ABCD =Area of Delta ABC+ area of "_______"