In a rectangle `A B C D ,\ \ A B=20 c m ,\ \ /_B A C=60o` , calculate side `B C` and diagonals `A C` and `B D` .

In a rectangle A B C D ,\ \ A B=20 c m , /_B A C=60^@ . Calculate side B C .

In a rectangle A B C D , prove that A C B~= C A Ddot

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

A paper is in the form of a rectangle A B C D in which A B=20\ c m and B C=14\ c mdot A semicircular portion with B C as diameter is cut off. Find the area of the remaining part.

The diagonals of a rectangle A B C D\ meet at O . If /_B O C=44^0, find /_O A D

The diagonals of quadrilateral A B C D ,A C and B D intersect in Odot Prove that if B O=O D , the triangles A B C and A D C are equal in area. GIVEN : A quadrilateral A B C D in which its diagonals A C and B D intersect at O such that B O = O Ddot TO PROVE : a r( A B C)=a r( A D C)

O is any point inside a triangle A B C . The bisector of /_A O B ,/_B O C and /_C O A meet the sides A B ,B C and C A in point D ,E and F respectively. Show that A D * B E * C F=D B * E C * F A

Find the area of a quadrilateral A B C D in which A B=42 cm ,B C=21c m ,C D=29 c m ,D A=34 c m and diagonal B D=20 c mdot

The diagonals of a rectangle A B C D intersect in Odot If /_B O C=68^0, find /_O D Adot

The diagonals of a rectangle A B C D meet at Odot If /_B O C=44^0, find /_O A Ddot