Question

1) Two circles having radii
3:5 cm and 5:8 cm touch
each other internally. Find
the distance between
their centres?​

Answer 1

Answer:

Solution. It is given that two circle having radii 3.5 cm and 4.8 cm touch each other internally. We know, the distance between the centres of the circles touching internally is equal to the difference of their radii. Thus, the distance between their centres is 1.3 cm.