In Fig. 6.11, OP, OQ, OR and OS are four rays. Prove that `/_P O Q+/_Q O R+/_S O R+/_P O S=360o`

In Figure, O P ,\ O Q ,\ O R\ a n d\ O S are four rays. Prove that /_P O Q+\ /_Q O R+\ /_S O R+\ /_P O S=360^0

In Fig 7.51, P R\ >\ P Q and PS bisects /_Q P R . Prove that /_P S R\ >/_P S Q .

In Fig. 6.15, /_P Q R=/_P R Q , then prove that /_P Q S=/_P R T .

In Fig. 10.101, P Q and P R are two tangents to a circle with centre O . If /_Q P R=46^o , then /_Q O R equals (a) 67^o (b) 134^o (c) 44^o (d) 46^o

In figure, if PQ||RS, prove that DeltaP O Q DeltaS O R .

In Figure, P S=Q R\ a n d\ /_S P Q=/_R Q Pdot Prove that P Q S\ ~=\ Q P R ,\ P R=Q S\ a n d\ /_Q P R=\ /_P Q S

In Fig. 6.10, ray OS stands on a line POQ. Ray OR and ray OT are angle bisectors of /_P O S and /_S O Q , respectively. If /_P O S=x , find /_R O T .

In Fig. 6.17, POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray lying between rays OP and OR. Prove that /_R O S=1/2(/_Q O S-/_P O S)dot

In Fig. 6.17, POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray lying between rays OP and OR. Prove that /_R O S=1/2(/_Q O S-/_P O S)dot

In Fig. , if (Q T)/(P R)=(Q R)/(Q S) and /_1=/_2 . Prove that P Q S ~ T Q R . (FIGURE)