Question

Find the radius of the circle when the length of the tangent is 12 cm and the distance between the centre of the circle and the external point is 13 cm.​

Answer 1

r=5

Step-by-step explanation:

since tangent is 12

and distance from point and centre is 13

solution:

angle formed by tangent drawn is 90degree

by Pythagoras theorem r=5 cm