Question

Write the formulae of the following: 

(i) Area of the rectangular path

(ii) Area of the square path ……………….. .

(iii) Area of the circular path ……………….. .

Answer 1

(i) Area of the outer rectangle – Area of the inner rectangle.

(ii) Area of the outer square – Area of the – inner square.

(iii) Area of the outer circle – Area of the inner circle. π(R + r)(R – r)