A point P is at a distance of 29 cm from the centre of a circle of radius 20 cm. Find the length of the tangent drawn from P to the circle.

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Solution

As we know tangents and radius are at an angle of 90°
hence we ccan say PO is the hypotenous of the right angle triangle APO
where A is point of contact

so
applying pythagoras theoram

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A point P is at a distance of 29 cm from the centre of a circle of radius 20 cm. Find the length of the tangent drawn from P to the circle.

As we know tangents and radius are at an angle of 90° hence we ccan say PO is the hypotenous of the right angle triangle APO where A is point of contact so applying pythagoras theoram

As we know tangents and radius are at an angle of 90°
hence we ccan say PO is the hypotenous of the right angle triangle APO
where A is point of contact

so
applying pythagoras theoram