A cuboid has a total surface area of 400 cm 2 and a volume of V cm
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A cuboid has a total surface area of 400 cm2 and a volume of V cm3.
The dimensions of the cuboid are 4x cm by x cm by h cm.
a. Express h in terms of V and x.
b. Show that V = 160x – 160/5 x3.
c. Find the value of x when V is a maximum.
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a The total surface area of a cuboid is given by 2lw 2lh 2wh where l is th...View the full answer
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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