A closed box is made up of wood which is 1cm thick.The outer dimension of the box is 5cm×4cm×7cm.Find the volume of the wood used
Answers
Answered by
266
outer volume = 5×4×7
= 140
inner voume =3 ×2×5
= 30
the volume of wood is = 140-30
= 110
= 140
inner voume =3 ×2×5
= 30
the volume of wood is = 140-30
= 110
pandu1718:
how the inner volume can be calculated in the above question
Answered by
128
outer volume = 5*4*7=>140cm3
inner volume => (5-1+1)(4-1+1)(7-1+1)
=>(5-2)(4-2)(7-2)=>3*2*5=>40cm3
therefore the volume of wood =>140-30=>110cm3
inner volume => (5-1+1)(4-1+1)(7-1+1)
=>(5-2)(4-2)(7-2)=>3*2*5=>40cm3
therefore the volume of wood =>140-30=>110cm3
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