Answer:
Step-by-step explanation:
AR⊥RS (tangent line is ⊥ to radius of the circle)
BS ⊥ RS (tangent line is ⊥ to radius of the circle.)
∴ AR and BS ⊥ to same line RS.
Hence either AR and BS are in same line or parallel.
But they are radii of different circles.
∴ AR ║BS
