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7 : 9
2) 4 × X = 116
7
4X = 116 . 7
x = 29.7
x = 203 buah
3)1 : 600.000
1.800.000 = 2 cm
600.000
4) L = 1/2 at
= 1/2 35.27
= 945 = 472,5 cm²
2
5) rusuk : 9
t.sudut : 6
s.tegak : 3
6)Kerucut