L Persegi panjang = 3x L persegi
→ L = p × l
→ L = 15 cm × 10 cm
→ L = 150 cm²
→ 3p = L Persegi panjang
→ 150 cm = 3p
→ p = 150 cm ÷ 3
→ 50 cm = p
Maka luas persegi nya 50 cm.
semoga bermanfaat......
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L Persegi panjang = 3x L persegi
→ L = p × l
→ L = 15 cm × 10 cm
→ L = 150 cm²
→ 3p = L Persegi panjang
→ 150 cm = 3p
→ p = 150 cm ÷ 3
→ 50 cm = p
Maka luas persegi nya 50 cm.
semoga bermanfaat......