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Verified answer
Jawabp= 6cm
d= √108
d²= p²+l²
l²= d² - p²
l² = 108 - 36 =72
l = 6√2
lebar= 6√2
K= 2(p+l)= 2 (6+6√2)= 12 + 12√2
Luas = pl = 6(6√2) = 36√2