Berapa volume kerucut, jika jari-jarinya 30 cm dan tinggi 40 cm… * 38.560 cm3 34.800 cm3 33.000 cm3 37.860 cm3
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[tex] \rm V = \dfrac{1}{3} \times \pi \times {r}^{2} \times t [/tex]
[tex]\rm V = \dfrac{1}{3} \times 3,14 \times {30}^{2} \times 40[/tex]
[tex]\rm V = \dfrac{1}{3} \times 3,14 \times (30 \times 30) \times 40[/tex]
[tex]\rm V = \dfrac{1}{ \cancel{3}} \times 3,14 \times \cancel{{900}^{}} \times 40[/tex]
[tex]\rm V = 3,14 \times 300 \times 40[/tex]
[tex]\rm V = 942 \times 40[/tex]
[tex]\rm V = \bold{ {37.680 \: cm}^{3} }[/tex]
