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= 4×(p+l+t)
= 4×(10+8+5)
= 4×23
= 92 cm
Kawat yg tdk terpakai
= 5 m - 5×92 cm
= 500 cm - 460 cm
= 40 cm
4 ( 10 + 8 + 5 )
=92 x 5 = 460
5 meter kawat = 500 cm
500 - 460 = 40
jdi sisa kawat sebanyak 40 cm