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Volume = Luas Alas × Tinggi
= ( × r² ) × T
= ( × 7²) × 15
= ( × 49 ) × 15
= 154 × 15
= 2310 Cm³
s=√7²+15²
s=√49+225
s=√274
s=16.5cm
luas permukaan=πr(r+s)
22/7x7(7+16.5)=518cm²