three planks of wood each of length 3.2m and breadth 2m are to be painted on both sides.find the total area to be painted
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Step-by-step explanation:
rectangle
Area required for 1 plank=2(2×3.2)m²
=19.2
Therefore area required for such 4 planks =4(19.2)m²=76.8m²=total area to be painted
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