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Standard IX
Mathematics
Total Surface Area of a cube
Question
The total surface area of a cube is ____ .
6
a
2
3
a
2
4
a
2
5
a
2
A
5
a
2
B
4
a
2
C
6
a
2
D
3
a
2
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Solution
Verified by Toppr
A cube has all edges of the same length. This means that each of the cube's six faces is a square. The total surface area is therefore six times the area of one face
6
a
2
where
a
is edge length of the cube.
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Similar Questions
Q1
Total surface area of a cube
=
6
a
2
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Q2
The total surface area of a cube is ____ .
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Q3
Lateral surface area of a cube
=
4
a
2
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Q4
Solve:
−
[
3
a
2
−
2
a
2
+
9
a
2
−
{
6
a
2
−
(
−
2
a
2
+
3
a
2
)
}
]
View Solution
Q5
Simplify:
[
3
a
2
−
2
a
2
+
9
a
2
−
{
6
a
2
−
(
−
2
a
2
+
3
a
2
)
}
]
View Solution