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Sohan painted the outside of a …

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Sohan painted the outside of a box on all sides except the bottom.If the cabinet measures 1m×2m×1.5m,how much surface did he paint ?
  • 3 answers

Mangifera Indica 1 year, 10 months ago

7msq

Mangifera Indica 1 year, 10 months ago

9msq

Anshika Sharma 1 year, 10 months ago

Total surface area of the cabinet = 2(l × b + b × h + h × l) Area of the cabinet that was painted = (Total surface area of the cabinet) - (Area of bottom of the cabinet) = 2(l × b + b × h + h × l) − l × b = 2(b × h + h × l) + l × b = 2 × (1 × 1.5 + 1.5 × 2) + 2 × 1 m² = 2 × 4.5 + 2 m² = 11 m²
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