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Question
A point O is at a distance of 10 cm from the centre of a circle of radius 6 cm. How many tangents can be drawn from point O to the circle?
A point O is at a distance of 10 cm from the centre of a circle of radius 6 cm. How many tangents can be drawn from point O to the circle?
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Solution
The correct option is A 2
The radius of the circle is 6 cm and the point O lies at a distance of 10 cm from the centre. So, it is clear that the point O lies outside the circle.
It is known that only two tangents can be drawn from a point lying outside the circle.
Thus, two tangents can be drawn from the point O.
2
The radius of the circle is 6 cm and the point O lies at a distance of 10 cm from the centre. So, it is clear that the point O lies outside the circle.
It is known that only two tangents can be drawn from a point lying outside the circle.
Thus, two tangents can be drawn from the point O.
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