luas gambar disamping plis ssss

L1 = 1/2 x a x t
= 1/2 x 8 x 12
= 48 cm²

L2 = s x s
= 8 x 8
= 64 cm²

L3 = 1/2 x (a+b) x t
= 1/2 x 14 x 8
= 56 cm²

Luas bangun = 48 + 64 + 56 = 168 cm²