Find the area of cardboard required to make an open box of lengths 28 breadth.5 height .2
Answers
Answered by
1
l=28cm
b=5cm
h=2cm
area of cardboard required =area of 4 walls + area of base
2(l+b)*h + l*b
=2(28+5)*2 +28*5
=2*33*2 + 140
=132+140
=272 cm^2
Similar questions