Question

The length of a tangent from a point A at a distance 5cm from the centre of the circle is 4cm find the radius of circle.​

Answer 1

Step-by-step explanation:

by pythagoras theorem

5² = 4² + x² ( x is radius of circle )

25 - 16 = x²

9 = x²

3 = x

therefore radius of the circle is 3 cm

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Answer 2

Step-by-step explanation:

The length of a tangent from a point A at a distance 5cm from the centre of the circle is 4cm find the radius of circle.