tlng no 14 buat bsk,pleas buat bsk
Matematika
khofifahanisa1
Pertanyaan
tlng no 14 buat bsk,pleas buat bsk
1 Jawaban
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1. Jawaban whongaliem
L Δ PQR = 1/2 x PQ x RS = 1/2 x PR x l
1/2 x 4 x 9 = 1/2 x 12 x l
18 = 6 x l
l = 18/6
l = 3 cm .... jawaban : D