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Verified answer
Bab KesebangunanMatematika SMP Kelas VII
OP = (MN x PL + KL x MP)/(MP + PL)
OP = (10 x 6 + 18 x 4)/(6 + 4)
OP = (60 + 72)/10
OP = 132/10
OP = 13,2 cm