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Byju's Answer
Standard IX
Mathematics
Total surface area of a right circular cone
A conical ten...
Question
A conical tent is 10m high and the radius of its base is 24m. Find the cost of cloth used to make the tent at Rs.70/
m
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Solution
Given:
h
=
10
m
r
=
24
m
CSA
=
π
r
l
l
=
√
h
2
+
r
2
=
π
×
24
×
√
(
10
)
2
+
(
24
)
2
=
π
×
24
×
26
m
2
Cost
=
π
×
24
×
26
×
70
∴
Cost
=
137280
R
s
.
.
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Q.
A conical tent is 10 m high and its base radius is 24 m.
Find (i) the slant height of the tent and (ii) the cost of canvas required to make the tent, if the cost of 1 m
2
of canvas is Rs 70.