Penjelasan:
8. jp = 3cm
skala 1:150
js = 3x150 = 450cm = 4,5 m
9. padi : cabai = 4:5
selisih 90
padi = 4/1 x 90 = 360
cabai = 5/1 x 90 = 450
10. 27 - 19 - 35 = -27
11. p = 20cm
l = 3p = 3 x 20 = 60 cm
luas = p x l = 20 x 60 = 1200cm²
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Penjelasan:
8. jp = 3cm
skala 1:150
js = 3x150 = 450cm = 4,5 m
9. padi : cabai = 4:5
selisih 90
padi = 4/1 x 90 = 360
cabai = 5/1 x 90 = 450
10. 27 - 19 - 35 = -27
11. p = 20cm
l = 3p = 3 x 20 = 60 cm
luas = p x l = 20 x 60 = 1200cm²