Question

a closed wooden box of external dimensions 105cm by 85cm by 30cm is made of 2.5cm thik wood. calculate each of the following. 1 the internal volume of the box. 2 the volume of the wood used to make the box

Answer 1

Internal length=105-5=100cm
Internal breadth=85-5=80cm
Internal height =30-5=25cm
1.volume of internal wooden closed box.
=l×b×h
100×80×25=20000cm³.answer
2.wood used =external volume -interal volume
267750-20000=247750cm³.answer .
hopr you help .........