Question

A paper has the length of 20 cm and breadth of 30 cm. Ria wants to cut
a square with the of length 15 cm. How much area of the paper is wasted?
Illustrate it.

Answer 1

this is the Ans of this Q.

Answer 2

the paper wasted= area of rectangle - area of
square
=(length×breadth)-(side×side)
=(20×30)-(15×15)
=600-225
=375cm^2