Question

i want to know the answer plzz fast

the radius of the cricle is 13cm....... ?

Answer 1

from d fig OP is the perpendicular distane b/w chord nd centre since it cuts equally the chord then AP=PB=12 cm by Pythagoras theorem taking (OA)^2=(OP)^2+(AP)^2 BYsolving it we get op = 5cm