# If XY = 15 cm and TX = 9 cm, then RT is:

XY and XZ are tangents to a circle. ST is another tangent to the circle at the point R on the circle, which intersect XY and XZ at S and T respectively. If XY = 15 cm and TX = 9 cm, then RT is:

1. 7.5 cm
2. 6 cm
3. 4.5 cm
4. 3 cm
Monis Rasool Professor Asked on 28th August 2015 in

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Answer: (2) 6 cm

Explanation:-
In the figure-

Then, the RT = 6 cm

Hence, the answer is (2) 6 cm.

Anurag Mishra Professor Answered on 3rd September 2015.