Jawab:
Luas persegi panjang = p x l
L persegi panjang = 18 x 15
L persegi panjang = 270cm²
Luas gabungan = 270 + 20 = 290 cm²
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Jawab:
Luas persegi panjang = p x l
L persegi panjang = 18 x 15
L persegi panjang = 270cm²
Luas gabungan = 270 + 20 = 290 cm²