Question

wood trim is to be put around 45 display boards in our school . how much wood trim the school should purchase if each display a is 150 cm long and 90 cm board resuming that there is no wastage of of wood trim while cutting​

Answer 1

Since the wood is 1 cm thick, the inner measurements of the box are (45-2)cmx(32-2)cm (28-2)cm.

i.e. 43×30×26cm

2

=33540cm

2

Hence capacity of the box = inner volume of the box

=33540cm

3