In Figure, `O` is the centre of the circle of radius `5\ c m. O P\ _|_A B ,\ O Q\ _|_C D ,\ A B || C D ,\ A B=6\ c m\ a n d\ C D=8\ c m`. Determine `P Q`.

In Figure, O is the centre of the circle of radius 5\ c mdotO P_|_A B ,\ O Q_|_C D ,\ A B C D ,\ A B=6\ c m\ a n d\ C D=8\ c mdot Determine P Q

In Figure, A B=C B\ a n d\ O is the centre of the circle. Prove that B O bisects /_A B C .

In Figure, O is the centre of the circle and the measure of arc A B C is 100^0dot Determine /_A D C\ a n d\ /_A B C

In Figure, O is the centre of a circle and P O BISECTS /_A P D . Prove that A B=C D

In Figure, O is the centre of the circle and B C D is tangent to it at Cdot Prove that /_B A C+/_A C D=90^0 .

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

Which of the following pairs of triangles are congruent? If they are congruent, write out the pairs of equal angles. A B C : A B=3c m ,\ B C=4c m ,\ C A=2\ c m D E F : D E=2\ c m ,\ E F=3\ c m\ a n d\ F D=4\ c m P Q R : P Q=17\ c m ,\ Q R=15\ c m ,\ P R=18\ c m D E F : D E=18\ c m ,\ E F=17\ c m ,\ D F=15\ c m .

In Figure, /_A B C=90^o and B D_|_A C . If B D=8c m , A D=4c m , find C D .

Construct a quadrilateral A B C D in which . A B = 7. 5 c m ,\ A C=A D=6c m ,\ C D=5c m\ a n d\ B D=10 c mdot

In Figure, A B C D is a quadrilateral in which diagonal \ A C=84\ c m ; D L_|_A C ,\ B M_|_A C ,\ D L=16. 5\ c m and B M=12\ c m . Find the area of quadrilateral A B C Ddot