In Fig,8, `/_A O C~=/_P Y R\ a n d\ /_B O C~=/_Q Y Rdot` Name the angle which is congruent to`/_A O Bdot`

In Fig.7,a=b=c, name the angle which is congruent to /_AOC

If Figure, /_A O F\ a n d\ /_F O G form a linear pair. /_E O B=\ /_F O C=90^(00)a n d\ /_D O C=\ /_F O G=\ /_A O B=30^0 Find the measure of /_F O E ,\ /_C O B\ a n d\ /_D O Edot Name all the right angles. Name three pairs of adjacent complementary angles. Name three pairs of adjacent supplementary angles. Name three pairs of adjacent angles.

In Figure, /_A O B=90^0,\ A C=B C ,\ O A=12\ c m\ a n d\ O C=6. 5 c mdot Find the area of A O Bdot

In Fig. 71, if A B C D\ a n d\ C D E F ,\ find \ /_A C E

In Fig.80, line A C l in e\ D E\ a n d\ /_A B D=32^0dot Find out the angles x\ a n d\ y\ if /_E=122^0dot

In Fig. 10.37, /_P Q R" "=" "100o , where P, Q and R are points on a circle with centre O. Find /_O P Rdot

In Figure, P Q R S is a parallelogram, P O\ a n d\ Q O are, respectively, the angle bisectors of /_P\ a n d\ /_Q . Line L O M is drawn parallel to P Q . Prove that: P L=Q M (ii) L O=O M

In triangles A B C a n d P Q R , if /_A=/_R , /_B=/_P a n d A B=R P , then which one of the following congruence conditions applies: S A S (b) A S A (c) S S S (d) R H S

In Figure, A B C\ a n d\ ABD are two triangles on the base A Bdot If line segment C D is bisected by A B\ a t\ O , show that a r\ ( A B C)=a r\ (\ A B D)

In Fig. 6.32, if A B||C D , /_A P Q=50^@ and /_P R D=127^@ , find x and y.