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2(l + 6) + 2l = 60
2l + 12 + 2l = 60
4l + 12 = 60
4l = 48
l = 12
2p + 2l = 60
2p + 2x12 = 60
2p = 60-24
p = 18
L = p x l = 18 x 12 = 216 cm2
2x(6+l+l)= 60
2x(6+2l)=60
12+4l=60
4l= 60-12
4l=48
l = 12
2p+2l = 60
2p + 2(12) =60
2p + 24 = 60
2p = 60 - 24
2p = 36
p = 18
Luas = 12 x 18 = 216