SOLUTION: The length of a tangent from point A at distance 5 cms from the center of the circle is 4 cm. Find the radius of the circle.
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Question 557433: The length of a tangent from point A at distance 5 cms from the center of the circle is 4 cm. Find the radius of the circle.
Answer by rajagopalan(174) (Show Source): You can put this solution on YOUR website!
The length of a tangent 4
A at distance 5 cms from the center of the circle
Let Radius =R
Tangent meant it makes 90 degrees
so 4square+R square=5 square
4^2+R^2=25
R^2=25-16
R^2=9
R=root9
R=3
Rad of circle=3 units
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