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r=7cm
t=25cm
ditanya V...??
V=π×r²×t
=22/7×7²×25
=3.850cm³
2. Diket
rusuk=14cm
r=1/2×rusuk
=1/2×14
=7cm
Ditanya V....??
V=4/3×π×r³
=4/3×22/7×7³
=1437,33cm³