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Sagot :

Bonsoir,

Calcul de RB: th de Thalès,  on a:

RB/QR= RA/RP

RB/8= 7/11

11 RB= 8x7

RB= 56/11

RB= 5.1cm

Calcul de QP: th de Thalès,  on a:

AB/PQ= AR/PR

4/PQ= 7/11

7 PQ= 4x11

PQ= 44/7

PQ= 6.3 cm

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