Question

You have lost/mislaid a book that you borrowed from the public library in your city. Write a letter to the librarian, apologizing for being careless. Ask him/her about the procedure to be followed if a book is lost - whether it should be replaced or whether a specified amount should be paid as penalty. Also, assure the librarian that you will be more careful in the future

Answer 1

Answer:

It is given that two circle having radii 5.5 cm and 4.2 cm touch each other externally. We know, the distance between the centres of the circles touching externally is equal to the sum of their radii. Thus, the distance between their centres is 9.7 cm.