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Byju's Answer
Standard IX
Mathematics
Total Surface Area of a Cuboid
If v is the v...
Question
If
v
is the volume of a cuboid of dimensions
x
,
y
,
z
and
A
is its surface area, then
A
V
is?
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Solution
Given:
Dimensions of cuboid
=
x
,
y
and
z
∴
Volume of cuboid
(
V
)
=
x
y
z
Surface area of cuboid
(
A
)
=
2
(
x
y
+
y
z
+
z
x
)
A
V
=
2
(
x
y
+
y
z
+
z
x
)
x
y
z
=
2
(
1
z
+
1
x
+
1
y
)
=
2
(
1
x
+
1
y
+
1
z
)
Hence, (c) is the correct option.
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Q.
If V is the volume of a cuboid of dimensions x, y, z and A is its surface area, then
A
V
(a) x
2
y
2
z
2
(b)
1
2
1
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y
+
1
y
z
+
1
z
x
(c)
1
x
+
1
y
+
1
z
(d)
1
x
y
z