Chapter 13
1. The length, breadth and height of a cuboidal box are 20 cm,
15 cm and 12 cm respectively. Find its total surface area.
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Surface area of cuboid = 2(lb+bh+hl)
=2(20×15+15×12+12×20)
=1440 cm.sq.
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HEY MATE HERE IS YOUR ANSWER
length=20cm
breadth=15cm
height =12cm
T.S.A. of cuboid=2(lb+lh+bh)
=2(20×15+20×12+15×12)
=2(300+240+180)
=2(720)
=1440cm^2
HOPE IT HELPS YOU MARK AS BRAINLIEST
length=20cm
breadth=15cm
height =12cm
T.S.A. of cuboid=2(lb+lh+bh)
=2(20×15+20×12+15×12)
=2(300+240+180)
=2(720)
=1440cm^2
HOPE IT HELPS YOU MARK AS BRAINLIEST
Please MARK AS BRAINLIEST ANSWER
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