If Length, Breath, Height of a cuboid is tripled, how many times will its surface area increase?
a)12 times
b)16 times
c)18 times
d)36 times
Answers
Answered by
1
It will increase by 18 times
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Answered by
4
the normal t.s.a= 2(lb+bh+hl)
if, lbh is tripled,
new tsa= 2(9lb+9bh+9hl)
=18(lb+bh+hl)= 18 times
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