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sisi = √ luas
= √ 36
= 6 cm
jawaban soal no 2
banyak = luas : jarak
= s x s : jarak
= 60 x 60 : 5
= 720 pohon
jawaban soal no 3
banyak = luas langit : luas hiasan
= 4 : ( 80 x 80 )
= 4 : 6400 cm²
= 4 : 0,0064
= 625
jawaban soal no 4
sisi = √ luas
= √196
= 14 cm
panjng besi
panjang = keliling persegi
= 4 x s
= 4 x 14
= 56 m
jawaban soal no 5
harga = luas x biaya
= s x s x biaya
= 7 x 7 x 6.500
= Rp 318.500,00