Question

In circle C(O, r), r=10cm, chord
AB=8cm and . Find the
length of OM.

Answer 1

Answer:

in a circle the radius bisects the chord perpendicularly in two equal parts.

so,AM=BN=4cm

radius=10cm

so,(OM)^2=radius^2-BM^2

or,OM^2=10^2-8^2

or,OM=√36

or,OM=6cm