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Standard IX
Mathematics
Curved surface area of a Right Circular cone
Question
Find the total surface area of a cone, if its slant height is
9
m
and the radius of its base is
12
m
.
792
m
2
452
m
2
682
m
2
987
m
2
A
452
m
2
B
987
m
2
C
792
m
2
D
682
m
2
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Solution
Verified by Toppr
Given, radius of base of the cone
=
12
c
m
and slant height of the cone
=
9
c
m
.
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