Measuring 6159

We have a cube measuring side a = 540mm. However, it is made of 25 mm thick sheet metal. How much do I need to sheet the cubes inside and the bottom? The lid is not required.

Correct answer:

S =  13525 cm2

Step-by-step explanation:

a=540 mm h=25 mm  S1=(a2 h)2=(5402 25)2=240100 mm2 S2=(ah) a=(54025) 540=278100 mm2  S3=S1+4 S2=240100+4 278100=1352500 mm2  S=S3/100=1352500/100=13525 cm2



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