Question

A chord of length 12cm is at.A distance of 3cm from center of circle

Answer 1

Distance of chord from centre of the circle = 12 cm.

Radius of the circle = 13 cm.

Length of the chord = 2[13^2–12^2]^0.5 = 2[169–144]^0.5 = 2*5 = 10 cm.