Quantitative Aptitude: In an isosceles triangle ABC, AB = BC, a circle is drawn with AB as diameter intersects BC at D. If BD = 3 cm then length of CD?
Chords AB and CD of a circle intersect at E and are perpendicular to each other. Segments AE, EB and ED have a length of 2cm , 6cm and 3 cm respectively. What is the length of diameter of a circle in cm?