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Matematika
RaaZ03
Pertanyaan
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1 Jawaban
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1. Jawaban OlivRhey
29. Volume = phi x r x r x t
= 22/7 x 15 x 15 x 28 = 19800 (B)
30. Volume I = P x L x T
= 18 x 10 x 8 = 1440
Volume II = (1/2 x alas segi tiga x tinggi segitiga) x tinggi
= (1/2 x 18 x 9) x 10
= 81 x 10 = 810
Jadi volume gabungan = 1440 + 810 = 2250 (D)
31. Volume = Sisi x Sisi x Sisi
= 30 x 30 x 30 = 27000 cm3 = 27 liter (C)