Question

A point P is 26 cm away from the
centre of a circle and the length of
tangent drawn from P to the circle is
24 cm. The radius of the circle is

Answer 1

Answer:-

$= > {r}^{2} + {24}^{2} = {26}^{2}$

$= > {r}^{2} = {26}^{2} - {24}^{2}$

$= > {r}^{2} = 676 - 576$

$= > {r}^{2} = 100$

$= > r = \sqrt{100}$

$= > r = 10cm$

Using Pythagoras theorem the radius is 10cm

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