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Byju's Answer
Standard V
Mathematics
Volume of Cube and Cuboid.
find the heig...
Question
find the height and volume of a cuboid if its surface area is 758 cm
2
. And its length and breadth is 14 and 11 cm respectively.
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Solution
Let
the
height
of
the
cuboid
=
h
Now
,
length
,
l
=
14
cm
Breadth
,
b
=
11
cm
Now
,
TSA
=
758
cm
2
⇒
2
lb
+
bh
+
hl
=
758
⇒
14
×
11
+
11
h
+
14
h
=
379
⇒
25
h
=
225
⇒
h
=
9
cm
Now
,
volume
=
lbh
=
14
×
11
×
9
=
1386
cm
3
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