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l = 2 cm
p = 3 cm
L = p x l
= 3 cm x 2 cm
= 6 cm²
Diperbesar = panjang setelah diperbesar = 27cm = 9
panjang awal 3cm
Luas setelah diperbesar
p = 27cm
l = 2 cm x 9 = 18cm
L = p x l
= 27cm x 18cm
= 486 cm²
Jawaban-Nya yang D. 486 cm²
perbesaran = 27/3 = 9 kali
Luas perbesaran = 9² x 6 = 81 x 6 = 486 cm²