Jawabanmu

2014-09-06T18:29:55+07:00
5a2 – 4b
5 (5)2 – 4.2
5.25 – 8
125 – 8 = 117
Jawaban paling cerdas!
2014-09-06T18:30:33+07:00
Luas bangun = 5a² - 4b
                   = 5.5² - 4.2
                   =125-8
                   =117cm²
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