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luas= 2(18.5)+8.6
= 2.90+48 = 180+48=228cm²
maaf ya kalau salah
= 96cm
Luas 1 = p x l
= 18 x 6
= 108cm²
Luas 2 = p x l
= 12 x 5
= 60cm²
Luas 3 = p x l
= 12 x 5
= 60cm²
L uas = L1 + L2 + L3
= 104 + 60 + 60
= 224cm²