If `P A` and `P B` are tangents from an outside point `P` such that `P A=10 c m` and `/_A P B=60o` . Find the length of chord `A B` .

If P A and P B are tangents from an outside point P such that P A=10 c m and /_A P B=60^o . Find the length of chord A B .

If PA and PB are tangents from an outside point P such that PA=10cm and /_APB=60o. Find the length of chord AB

In Figure, P A and P B are tangents to the circle with centre O such that /_A P B=50^@ . Write the measure of /_O A B .

In Fig. 10.76, C P and C Q are tangents from an external point C to a circle with centre O . A B is another tangent which touches the circle at R . If C P=11 c m and B R=4c m , find the length of B C . (FIGURE)

In Fig. 10.96, if T P and T Q are tangents drawn from an external points T to a circle with centre O such that /_T Q P=60o , then /_O P Q= (FIGURE) 25o (b) 30o (c) 40o (d) 60o

In Figure, P A and P B are tangents from an external point P to a circle with centre O . L N touches the circle at M . Prove that P L+L M=P N+M N .

In Fig. 10.60, P A and P B are tangents from an external point P to a circle with centre O . L N touches the circle at M . Prove that P L+L M=P N+M N . (FIGURE)

If P T is a tangent at T to a circle whose centre is O and O P=17 c m , O T=8c m , Find the length of the tangent segment P T .

A and B are two events such that P(A)=0.60, P(A"or"B)=0.85 and P (A and B =0.42 , then find P(B) .

A and B are two events such that P(A)=0.60, P(A"or"B)=0.85 and P (A and B =0.42 , then find P(B) .