Persamaan Garis Singgung Lingkaran

Sabtu, 08 Mei 2010

pembahasan tugas 2

1. volume prisma = 1/2 x 3 x 4 x 15 = 90
2. volume limas = 1/3 x 25 x 15 = 525
3. 960 = 2 x 1/2 x 25 x 10 + (26+25+10) x t
960 = 250 + 61t
61t = 610
t = 10
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