p = 54 - (2 × 2 cm) = 54 - 4 cm = 50 cm
l = 30 - (2 × 2 cm) = 30 - 4 cm = 26 cm
→ 2(p + l)
→ 2(50 + 26) cm
→ 2(76) cm
→ 152 cm
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p = 54 - (2 × 2 cm) = 54 - 4 cm = 50 cm
l = 30 - (2 × 2 cm) = 30 - 4 cm = 26 cm
→ 2(p + l)
→ 2(50 + 26) cm
→ 2(76) cm
→ 152 cm