In Fig. 4.137, `A B Q R` . Find the length of `P B` . (FIGURE)

In Fig.4.137,ABQR. Find the length of PB( FIGURE)

In Figure, AB||QR . Find the length of P B .

If A B ,\ A C ,\ P Q are tangents in Fig. 10.51 and A B=5c m , find the perimeter of A P Q . (FIGURE)

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. 10.74, C P and C Q are tangents to a circle with centre O . A R B is another tangent touching the circle at R . If C P=11 c m and B C=7c m , then find the length of B R . (FIGURE)

In Fig.83, P Q || R S Find the value of xdot

In Fig.83, P Q R Sdot Find the value of xdot

In Fig. if S T || Q R . Find P S

In the figure, XY is parallel to Q R. P X=2 cm, Q X=4 cm, P R=9 cm. a) Find PY:YR. b) Find the length of PY.

In Fig. 4.238, S and T are points on the sides P Q and P R respectively of P Q R such that P T=2c m , T R=4c m and S T is parallel to Q R . Find the ratio of the areas of P S T and P Q R . (FIGURE)