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A plastic box 1.5m long, 1.25m …

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A plastic box 1.5m long, 1.25m wide, 65cm deep is to be made. It is opened at the top. Ignoring the thickness of the plastic sheet. Determine the area of the sheet required for making the box

Posted by Rishabh Modi 7 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Gautam Pahwa 7 years, 11 months ago

Length - 1.5m; Width - 1.25m; Height - 0.65m; Area of sheet = total surface area - area of top (l×b) 2 ( lb + bh + hl) 2 ( 1.5×1.25 + 1.25×0.65 + 0.65×1.5) 7.325 m Subtracting area of top 7.325 - lb 7.325 - 1.875 5.45 m^2 or 54500cm^2

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