Question

find the surface area of cuboid whose length is 15cm height is 10cm breadth is 12cm

Answer 1

surface area = 2(lb+bh+lh)
=2(15(12)+12(10)+15(10))
=2(180+120+150)
=2(450)
=900square cm

Answer 2

Surface area of cuboid is 2(lb+bh+hl)
2(15×12+12×10+10×15)
2(180+120+150)
So surface area is 900cm sq.
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