GK ngerti nih.. sekalian jalannya ya pls..

ps = 8 cm ÷ 1/500 = 8 × 500/1 = 4.000 cm = 40 m
ls = 5 cm ÷ 1/500 = 5 × 500/1 = 2.500 cm
= 25 m
luas sbnrny = 40 × 25 = 1000 m