Q1. A metallic sheet of the rectangular shape with dimensions 50cm x 40cm. From each one of its corner, a square of 5cm is cut off. An open box is made of the remaining sheet. Find the volume of the box and the total surface area of the box.

Answer 1

length of base = 50-10 = 40 cm
width of box = 40-10 = 30 cm
height of box = 5 cm

volume = length x width x height
= ...... cm^3

Answer 2

40 x 30 x 5 = 6000 cm^3
total surface area =2(lb+bh+hl)
=2(1200+150+200)
=2x1550
=3100