ICSE Class 8 Answered
A CARDBOARD CRATE IS 6 DMLONG,3.4DM WIDE AND 3DM HIGH. FIND ITS TOTAL SURFACE AREA IN CMsq AND DMsq. IF THE TOTAL CRATE SURFACE IS 5/6 OF THE TOTAL CARDBOARD SURFACE USED TO CONSTRUCT THE BOX , HOW MUCH CARDBOARD WAS USED
Asked by viswanathd | 24 Jan, 2020, 07:03: PM
Expert Answer
A cardboard crate is
long = 6 dm
wide = 3.4 dm
high = 3 dm
TSA = 2(6×3.4+3.4×3+3×3.4) = 81.6 dm2 = 8160 cm2
total cardboard be x
5/6 × x = 8160 = 9792 cm2
Answered by Arun | 01 Feb, 2020, 08:10: PM
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