Question

Two circles of radii 3 cm and 4 cm intersect so that their centers are 5 cm apart. The length of their common chord, in cm

Answer 1

Answer:

circle 1=(0,3)

circle 2=(0,4)

oo'=5

since AB is the common chord and oA'=OB'=4

LENGTH OF THE CHORD =4+4=8cm