mutia volume bola
TRANSCRIPT
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LUAS BANGUN DATAR
OLEH
MUTIA ELIZAKONSENTRASI PENDIDIKAN
MATEMATIKAPROGRAM PASCASARJANA UNP
2013
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MENEMUKAN VOLUME BOLA
diameter bola = diameter kerucuttinggi ½ bola = tinggi kerucut
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Dari animasi di atas diperoleh
bahwa
Volume kerucut = 1/3 π r2 tVolume ½ bola = 2x volume
kerucutVolume 1 bola = 4x volume
kerucutVolume bola = 4 x 1/3 x π r2 t
= 4/3 π r2 t= 4/3 π r3
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TERIMA KASIH