segitiga ABC sama kaki dgn AC=AB=15cm.jk kliling segituga tsb 40cm mk pnjng BC adl...jwb pk cara yaaa..tks
Matematika
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Pertanyaan
segitiga ABC sama kaki dgn AC=AB=15cm.jk kliling segituga tsb 40cm mk pnjng BC adl...jwb pk cara yaaa..tks
1 Jawaban
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1. Jawaban abella4
K=AB+BC+CA
40=15+BC+15
40=30+BC
40-30=BC
10=BC