Question

In the figure, point Q is the
point of contact. If PQ = 12,
PR = 8 then find PS.

Answer 1

In figure, PQ = 12, PR = 8
PQ² = PR × PS ............ (Tangent secant theorem)
∴ 12² = 8 × PS
∴ 144 = 8 × PS
∴ PS = `144/8`
∴ PS = 18