# A metallic box is in the shape of solid having dimensions 200cm*50cm*100cm.it is recast into solid cube.find the differences of surface area of two solids

2
by pantamrambabu
shape of ?
cuboid and those are length breadth height
yeah got it dear

2015-03-01T17:22:29+05:30

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Volume of cuboid = volume of cube
l.b.h=a³
a=∛200.50.100
a=∛1000000
a=100
side of cube = 100cm
then tsa of cube = 6a²
= 6.100²
= 60000cm²
tsa of cuboid = 2(lb+bh+hl)
= 2(200.50+50.100+100.200)
= 2(10000+5000+20000)
= 2(35000)
= 70000 cm²
and differences in their surface areas is  70000-60000=10000cm²
hey dear plz write in difrnce
now its ok dear. :)
ya pakka good dear
:)
:)
2015-03-01T17:23:58+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Volume of cuboid = volume of cube
l * b * h =
200*50*100 =
a =
a = 100 cm

surface area of cube = 6
= 6 (10000) = 60000

surface area of cuboid = 2 (lw + wh + hl)
= 2(200*50 + 50*100 + 100*200)
=2(10000 + 5000 + 20000)
=70000

Difference in surface areas = 70000 - 60000 = 10000