Q7 of 180 Page 1

In the given figure, PT is a tangent to the circle with centre O. If OT = 6 cm and OP = 10 cm, then length of tangent PT is ______ .


We know, tangent at a point is perpendicular to the radius through point of contact


∴ OT ⊥ PT


In the given figure, In right angled triangle PTO


Applying Pythagoras theorem,


⇒


⇒ ⇒


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