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36 = π.r²
r² = 36π
r = 6π
V.kerucut = 1/3.π.r².t
96 = 1/3.π.6π .t
96 = 2.t
t = 96/2
t = 48
s² = t²+r²
= 48²+6²
= 2304 + 36
= 2340
s= √2340
= 48
L.selimut = πrs
=3,14.6.48
= 904.32