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Byju's Answer
Standard VIII
Mathematics
Surface Area of a Cube
Tick O the co...
Question
Tick (✓) the correct answer:
The surface area of a (10 cm × 4 cm × 3 cm) brick is
(a) 84 cm
2
(b) 124 cm
2
(c) 164 cm
2
(d) 180 cm
2
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Solution
(c) 164 sq cm
Surface area
=
2
(
10
×
4
+
10
×
3
+
4
×
3
)
=
2
(
40
+
30
+
12
)
=
164
c
m
2
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1
Similar questions
Q.
The surface area of a
(
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