Question

the length of a common chord of two intersecting circles is 30 cm. if the diameters of these two circles be 50 cm and 34 CM calculate the distance between their centres

Answer 1

keep radius of both circle as hypotenuse and half length of common cord as base ,use Pythagoras theorem in both circle and find perpendicular after this add the lengths of perpendicular of both circle and you get answer 28