jawab ya :) salah? report. pake cara

Sin 30 = CB/12
1/2 × 12 = CB
6 = CB

Cos 30 = AB/12
1/2 akar3 × 12 = AB
6 akar3 = AB

Luas = CB × AB
Luas = 6 × 6 akar3
Luas = 36 akar3
(D)

Langsung aja y

sin 30 = BC/12
½ = BC / 12
BC = 1/2 × 12
BC = 6 cm

AB = √12² - 6²
AB = √144 - 36
AB = √108
AB = √36 × 3
AB = 6√3 cm

L = AB × BC
L = 6√3 × 6
L = 36√3 cm²

jawabannya D

semoga berguna +_+