bangun di atas memiliki volume....cm3
Matematika
natasha110
Pertanyaan
bangun di atas memiliki volume....cm3
2 Jawaban
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1. Jawaban marzukit
Volume tabung=La×t
=phi×r×r×t
=22/7×7×7×12
=22×84
=1848
Volume kerucut=1/3×La×t
=1/3×22/7×7×7×6
=154×2
=308
Volumegabungan=volume tabung +Volume kerucut
=1848+308
=2156cm^3opsi B
Semoga bermanfaat -
2. Jawaban chenle
Jari-Jari (r) = 14 ÷ 2 = 7 cm
Tinggi Kerucut = 18 - 12 = 6 cm
[tex]\downarrow[/tex]
Volume Tabung
= π × r² × t
= [tex]\frac{22}{7}[/tex] × 7² × 12
= 1.848 cm³
Volume Kerucut
= [tex]\frac{1}{3}[/tex] × π × r² × t
= [tex]\frac{1}{3}[/tex] × [tex]\frac{22}{7}[/tex] × 7² × 6
= 308 cm³
[tex]\downarrow[/tex]
Volume Bangun
= 1.848 + 308
= 2.156 cm³
Jawaban: B