bonsoir
Ra/RP = RB/RQ = AB/PQ
8/16.8 = 9/PQ donc PQ = 18.9 cm
RB/14.7 = 9/18.9 donc RB = 7 cm
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bonsoir
Ra/RP = RB/RQ = AB/PQ
8/16.8 = 9/PQ donc PQ = 18.9 cm
RB/14.7 = 9/18.9 donc RB = 7 cm