jawab dong mass ya benar

Alas(a) : Tinggi(t) = 3 : 2

L ∆ sama sisi = 1/2 . a . t
108 = 1/2 . 3x . 2x
108 = 3x²
x² = 36
x = √36 → 6 cm

Alas = 3x → 3(6) = 18 cm

Jadi , Keliling Segitiga tersebut :
→ 3 x alas
→ 3 x 18 cm = 54 cm