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=130/1/3×26
=130/8,6
=15cm
4. La=V/1/3×t
=432/1/3×36
=432/12
=36cm²
1. T kerucut= V/1/3×La
=72/1/3×18
=72/6
=12cm
2. V=1/3×π×R²×t
=1/3×3,15×15²×34
=8007 cm³
3.V=1/3×π×r²×t
=1/3×3,14×15²×26
=6123cm³
4.V=1/3×π×r²×t
=1/3×3,14×36²×36
=48833,28cm³
5.La=V/1/3×t
=675/1/3×45
=45cm
3.130cm³=1/3×26cm²×t
t=130 cm³/ 26cm²/3
t=15cm
4.Luas alas=(432cm³ / 36cm)×3
⇔36 cm²
V=1/3πr²×t
1.Tinggi=72 cm³/18cm²/3
⇔12cm
5.Luas alas=(675cm³/45cm)×3
⇔45cm²