The length of a tangent from a point .A at distance 5 cm from the center of the circle is 4 cm .Find the radius of the circle
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Length of Tangent = 4cm
Distance between the point A from the centre = 5cm
Therefore,
Radius of Circle = (5)²-(4)²
= 25-16= 9
OP = ✓9 = 3cm
Distance between the point A from the centre = 5cm
Therefore,
Radius of Circle = (5)²-(4)²
= 25-16= 9
OP = ✓9 = 3cm
Answered by
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