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Byju's Answer
Standard IX
Mathematics
Total Surface Area of a Cuboid
The mass of a...
Question
The mass of a solid rectangle block of iron is
23.6
g
and its dimensions are
2.1
c
m
×
1.2
c
m
×
1.1
c
m
. Calculate the density of iron.
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Solution
Mass
=
23.6
g
m
The volume of the box is given by:
V
=
l
×
b
×
h
V
=
2.1
c
m
×
1.2
c
m
×
1.1
c
m
=
2.772
c
m
3
The density of iron is given by:
d
e
n
s
i
t
y
=
m
a
s
s
V
o
l
u
m
e
ρ
=
23.6
2.772
g
/
c
c
=
8.5137
g
/
c
c
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