Vargas Hill
12/16/2023 · Senior High School

1) \( A B C \) triangle \( \mathrm{m}(\mathrm{A})=87^{\circ} \) et \( \mathrm{m}(\mathrm{B})=43^{\circ} \) et \( \mathrm{c}=9 \mathrm{~cm} \) trouver a (à deux décimal près ) 2) Résous le triangle \( X Y Z \) (trouver tous ses côtes et ses angles) sachant que \( \mathrm{m}(\mathrm{X})=70^{\circ} \) et \( \mathrm{m}(\mathrm{Y})=65^{\circ} \) et \( \mathrm{z}=9 \mathrm{~cm} \) 3) \( A B C \) triangle si \( \mathrm{m}(\mathrm{A})=54^{\circ} \) et \( \mathrm{m}(\mathrm{C})=73^{\circ} \) et son Périmètre \( =44 \mathrm{~cm} \) Trouver b. 4) Dans le triangle ABC si \( : 3 \operatorname{Sin} A=4 \operatorname{Sin} B=2 \operatorname{SinC} \) trouver \( \mathrm{a}: \mathrm{b}: \mathrm{c} \).

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1. \( a \approx 12.06 \mathrm{~cm} \) 2. \( x \approx 12.73 \mathrm{~cm}, y \approx 12.73 \mathrm{~cm} \) 3. \( b \) cannot be determined without additional information 4. \( a:b:c \) cannot be determined without additional information

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