L=1/2×12cm×10cmL=120cmL=…..cm2 By Admin ReiPosted on October 28, 2022 L=1/2×12cm×10cmL=120cmL=…..cm2 Itu salah… yang benerL = 1/2 × 12 cm × 10 cmL = 60 cm² L=60cm2 maaf kalo salah !