Question

O is centre of the circle. Find the length of radius, if the chord of length 24 cm is at a distance of 9 cm from the centre of the circle.

Answer 1

Answer:

P =9cm

b = 24/2 =12 cm

hypotenuse= radius

by Pythagoras theorem,  

h^2 = 81+144

h^2 = 225

h= 15

Hope its right