8. A tangent is drawn from an external point P to a circle of 8 cm radius. If the length of the
tangent is 15 cm then the distance between the centre of the circle and pount Pis
8 సెం.మీ. వ్యాసార్థము గల వృక్షానికి అనే వాహ్మవిందువు నుండి స్పర్శ రేఖలు గీయబడినవి. స్పర్శరేఖ పొడవు 15 సెం.మీ. అయిన అన్న
కేంద్రము నుండి ముగల దూరము
(123cm
(21-20cm
(3)17 cm
Cannot be determined
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Answer:
17cm
Radius of circle = 8cm
SP=RP=15cm(Tangents drawn from same external point are equal)
Let the distance between Centre of circle and external point be x.
Using Pythagoras theorem ,
Therefore,distance between centre and point P is 17cm.Option(3).
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Answer:
the Ans is 17cm
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