find the area of thin sheeting required for making an open cistern (i.e without a lid ) 5m long ,3m wide ,4m deep
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Area of 4 walls of cistern = 2h(l+b)= 2*4(5+3) = 64 m²
Area of base= l*b= 5*3=15m²
Total area required= 64+15= 79m²
Area of base= l*b= 5*3=15m²
Total area required= 64+15= 79m²
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