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Verified answer
Rumus keliling persegi4s=K
4(3a-2)=6a+22
12a-8=6a+22
12a-6a=8+22
6a=30
a=5 cm
s=3a-2
s=3(5)-2
s=15-2
s=13 cm
Luas persegi
=s²
=13³
=169 cm²
Jawaban:
d.169 cm²
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