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2014-05-04T22:36:30+07:00
Luas alas + atap
2(3,14.10.10) = 628

Luas Selimut
(2.3,14.10)60 = 3768

Luas Permukaan tabung = 628 + 3768 = 4396 cm²

CMIIW


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2014-05-04T22:36:57+07:00