tolong di bantu yaa pake cara

<A+<B+<C=180°
5x + 8x + 24° = 180°
13x = 180° - 24°
13x = 156°
x = 156/13 = 13

<A=5x = 5(13) = 65°
<B=8x = 8(13) = 102°

urutan sisi dari yg terpendek adalah: AB, BC, AC