Volume Kerucut :
1/3 × π × r × r × t
1/3 × 3,14 × 1,5 × 1,5 × 1,5
1/2 × 3,14 × 2,25
1,57 × 2,25
3,5325 m³
___________
Volume tabung :
π x r² x t
3,14 × 2,25 × 3
7,065 × 3
21,195 m³
Volume Toren Air :
(2 × V kerucut) + V tabung
(2 × 3,5325) + 21,195
7,065 + 21,195
28,26 m³
_03-01-23_[tex] \\ [/tex]
[tex]\huge\color{cyan}{MATH}[/tex]
- ada 3 bangun yaitu 2 kerucut dan 1 tabung
- jari jari mereka bertiga = 1,5 m
- tinggi 2 kerucut = 1,5 × 2 = 3 m
- tinggi tabung = 3 meter
volume air... ??
2 volume kerucut :
= ⅓ × π × r × r × t × 2
= ⅓ × 3,14 × 1,5 × 1,5 × 1,5 × 2
= 3,14 × 1,5 × 2
= 9,42 m³
volume tabung :
= π × r × r × t
= 3,14 × 1,5 × 1,5 × 3
= 3,14 × 2,25 × 3
= 21,195 m³
volume total :
= v 2 kerucut + v tabung
= 9,42 m³ + 21,195 m³
= 30,165 m³
jadi volume air toren itu adalah 30,165 m³
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Verified answer
Volume Kerucut :
1/3 × π × r × r × t
1/3 × 3,14 × 1,5 × 1,5 × 1,5
1/2 × 3,14 × 2,25
1,57 × 2,25
3,5325 m³
___________
Volume tabung :
π x r² x t
3,14 × 2,25 × 3
7,065 × 3
21,195 m³
___________
Volume Toren Air :
(2 × V kerucut) + V tabung
(2 × 3,5325) + 21,195
7,065 + 21,195
28,26 m³
_03-01-23_[tex] \\ [/tex]
[tex]\huge\color{cyan}{MATH}[/tex]
diketahui :
- ada 3 bangun yaitu 2 kerucut dan 1 tabung
- jari jari mereka bertiga = 1,5 m
- tinggi 2 kerucut = 1,5 × 2 = 3 m
- tinggi tabung = 3 meter
ditanya :
volume air... ??
jawab :
2 volume kerucut :
= ⅓ × π × r × r × t × 2
= ⅓ × 3,14 × 1,5 × 1,5 × 1,5 × 2
= 3,14 × 1,5 × 2
= 9,42 m³
volume tabung :
= π × r × r × t
= 3,14 × 1,5 × 1,5 × 3
= 3,14 × 2,25 × 3
= 21,195 m³
volume total :
= v 2 kerucut + v tabung
= 9,42 m³ + 21,195 m³
= 30,165 m³
kesimpulan :
jadi volume air toren itu adalah 30,165 m³