Prtolonganya kak……..​

Jawaban:

∠A = 30°

∠B = 90°

∠C = 60°

AB = 5√3 cm

tan A = BC / AB

tan 30° = BC / 5√3

1/3 √3 = BC / 5√3

1/3 √3 × 5√3 = BC

BC = 5 cm

sin C = AB/AC

sin 60° = 5√3 / AC

1/2 √3 = 5√3 / AC

AC = 5√3 ÷ 1/2 √3

AC = 10 cm

maka jawabnnya B. 5 cm dan 10 cm

semoga mmbntu