pakai cara yaa,Tolongg bangett
Matematika
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Pertanyaan
pakai cara yaa,Tolongg bangett
1 Jawaban
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1. Jawaban aminjh
volume kerucut = 1/3πr²t
r = 5
t² = 13² - 5²
t² = 169 - 25
t = √144
t = 12 cm
[tex]v = \frac{1}{3} \times 3.14 \times 5 \times 5 \times 12\\ \: \: \: \: = \: 313.9\: cm {}^{3} [/tex]
volume balok = πr²t
r = 5
t = 25 - (12 + 5) = 25 - 17 = 8 cm
[tex]v = 3.14 \times 5 \times 5 \times 8 \\ \: \: \: = 628 \: cm {}^{3} [/tex]
volume bola = 4/3πr³
[tex]v = \frac{1}{2} \times \frac{4}{3} \times 3.14 \times 5 \times 5 \times 5 \\ \: \: \: \: = 261.6 \: cm {}^{3} [/tex]
volume seluruhnya = 313,9 + 628 + 261,6 = 1203,7 cm³
jadi jawabannya yang B