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Answered on 05/12/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Circles

Find the length of the tangent from a point which is at a distance of 5 cm from the centre of the circle of radius 3 cm?

Tanay Likhar

Math Mentor

So, if you draw a circle it will form a right angle triangle with hypotenuse 5 cm and base 3 cm. using Pythagoras theorem, the length will be equal to 4 cm.
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