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2014-04-05T09:27:02+07:00
4/6 = (6 + SQ)/12
48 = 36 + 6SQ
6SQ = 12
SQ = 2

2014-04-05T12:06:17+07:00
4 per PQ= 6 per (4+8)
4.12 per 6= 8 kan
Jadi, PQ=8 cm
Dan panjang SQ = 8-6=2 cm