Question

two circles of radii 5 cm and 3 cm into sector two points and the distance between their centres is 4 cm find the length of the common chord

Answer 1

this question consists of so many steps they are given in the picture. from one and two substitutingo p square we get
$a = {x}^{2} - 8x + 9 - x^{2}$ by finding x you can find BO=0 length of chord =6cm