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l = 15 × 4 = 60
t = 4 × 4 = 16
pnjg kawat 1.9 m = 190 cm
dit: sisa kawat?
jwb:
76+60+16=152
190-152=28cm
jadi,sisa kawat adalah 28 cm
lebar = 15 × 4 = 60 cm
tinggi = 4 × 4 = 16 cm
-------------------------------------+
Kawat yg diprlukan = 152 cm
panjang kawat 1.9 m = 190 cm
190-152=28 cm
Jika ditanyakan dalam meter = 0.28