1. Find the surface area of the cuboids whose
dimensions are :
(a) 3 m, 4 m, 5 m
with explanation please help
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1. Find the surface area of the cuboids whose
dimensions are :
(a) 3 m, 4 m, 5 m
with explanation please help
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Answer:
94m
Step-by-step explanation:
let l be 3m
w be width
h be hight.
then,
Surface area of cuboid is 2*3*4+2*3*5+2*5*4=24+30+40=94m
Step-by-step explanation:
total surface area of cuboid=2(lb+bh+hl)
=2(12+20+15)
=2*47
=94m
and
lateral surface area of cuboid = 2h(l+b)
=2*5(3+4)
=10*7
=70m