Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.1

Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.1 Question 1. A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is opened at the top. Ignoring the thickness of the plastic sheet, determine : (i) The area of the sheet required for making the … Read more