please jawab dunk soal di atas please dgn jawaban yang bener + cara please yang pinter

js = jp x skala
js1 = 9 x 300 = 2700 cm = 27 m
js2 = 6 x 300 = 1800 cm = 18 m

luas = p xl
luas = 27 x 18 = 486 m^2