jika BAC=90,AB=4cm,AC=3cm BC=5cm b.panjang AD
Matematika
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Pertanyaan
jika BAC=90,AB=4cm,AC=3cm BC=5cm b.panjang AD
1 Jawaban
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1. Jawaban whongaliem
1/2 AB . AC = 1/2 . AD . BC
AB . AC = AD . BC
4 . 3 = AD . 5
12 = 5 .AD
AD = 12/5
= 2,4 cm