Jawab:
Keliling Persegi panjang = 2(20) + 2(12)
= 40 + 24
= 64 m
64 × 3
= 192 m ( Besi mendatar )
64 ÷ 2
= 32 m ( Besi tegak )
Banyak Besi = 193 m + 32 m
= 224 m
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Jawab:
Keliling Persegi panjang = 2(20) + 2(12)
= 40 + 24
= 64 m
64 × 3
= 192 m ( Besi mendatar )
64 ÷ 2
= 32 m ( Besi tegak )
Banyak Besi = 193 m + 32 m
= 224 m