find the volume of iron required to make an open box whose external dimensions are 36 cm*25cm*16.5cm,the box being 1.5cm throughout. if 1 cm3 of iron weighs 8.5 grams ,find the weight of the empty box in kilograms?
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Answer:
33.66
Step-by-step explanation:
Volume of the external dimension= 36 x 25 x 16.5
=14850cm^3
Volume of the inner dimension=33 x 22 x 15
=10890cm^3
Volume of the box= external - inner
= 14850 - 10890
=3960cm^3
=8.5 X 3960
=33660grams
=33.66 Kilogram
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