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Standard IX
Mathematics
Question
Slant height of a cone is
13
c
m
and radius is
7
c
m
, then its lateral surface area is:
280
c
m
2
282
c
m
2
284
c
m
2
286
c
m
2
A
280
c
m
2
B
284
c
m
2
C
286
c
m
2
D
282
c
m
2
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