[" the circle,show that the triangle "APB" is equilateral "],[" 17.If "PAB" is a secant to a circle intersecting the circle to "A" and "B" and "PT" is a tangent,then prove that "],[PA times PB=PI^(-2)" ."]

Let PAB be a secant to a circle intersecting at points A and B, and PC is a tangent. Which one of the following is correct?

Let PAB be a secant to a circle intersecting the circle at A and B. Let PT be the tangent segment. If PA = 9 cm and PT =12 cm, then what is AB equal to?

If PAB are secant to the circle and PT is tangent segment; then PA xx PB=PT^(2)

In the figure, ray PT touches the circle at point T and line PAB is secent intersecting the circle at points A and B, then

If chords AB and CD of a circle intersect each other at a point inside the circle, prove that : PA xx PB = PC xx PD .

Tangent Secant Theorem Point E is in the exterior of a circle. A secant through E intersects the circle at points A and B, and a tangent through E touches the circle at point T, then EA xx EB = ET^(2) . Given : (1) A circle with centre O (2) Tangent ET touches the circle at pointT (3) Secant EAB intersects the circle at points A and B . To prove : EA xx EB = ET^(2)

As shown in the figure,PA is a tangent to a circle and PBC is a secant,so that PB=AB . Prove that PB.PC=AC^(2)

The straight line PAB intersects the circle with centre O at the points A and B. The straight line PAB will be a tangent to that circle if AB ="_______"

In the figure,AB is a diameter PA is a tangent to the circle and PCB is a secant.Show that /_ABP=/_CAP

In the figure, a tangent segment PA touches the circle at point A and secant PBC intersects the circle at points B and C. If AP=15 cm and BP=10, then find BC.