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Verified answer
Panjang = 3/7 x 30 = 90/7 = 12.8cmlebar = 4/7 x 30 = 17.1 cm
luas = 12.8 x 17.1
218.8 cm
maaf kl salah
P : l =3 : 2
L = ... ?
P : l = 3:2
2p=3l
K = 2p+3l
60= 31+21
60=51
L= 12cm
2p=3×12
P=18cm
L=pl
=18×12=216cm2
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