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r= 6.776x7/242 =0.196 m
2) 301.44 = 1/3x3.14x6xt
t =301.44x2/3.14
=192 m
6.776 = 22/7 × r² × 11
6.776 × 7 = 22 × r²× 11
47.432 = 242 × r²
r² = 47.432 : 242
r² = 196
r = √196
r = 14 m
2. V = 1/3 × π × r² × t
301,44 = 1/3 × 3,14 × 6² × t
301,44 = 37,68 × t
t = 301,44 : 37,68
t = 8 m