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2014-06-03T22:25:41+07:00
Nyari luas alas persegi panjang : p X l = 10 X 8 = 80

v. limas = 1/3 X Luas alas X tinggi limas
= 1/3 X 80 X 12
= 320 cm
1 5 1
2014-06-03T22:29:10+07:00
V = 1/3 La . t = 1/3 . 10 . 8 . 12 = 320 cm³