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13. The breadth, length and height of a cuboid are x cm,

2x cm and h cm respectively. The cuboid has a total
surface area of 88 cm².
(a) Show that h = 2/3 ((22-x²)/(x))
(b) Express the volume of the cuboid, V cm³, in
terms of x.
(c) Find the maximum volume of the cuboid

User Ben Ashton
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1 Answer

4 votes

Answer:

(a) Please refer to explanation (in part 1)

(b)
V=(2)/(3)x(22-x^(2))

(c)
(176)/(9)\sqrt{(22)/(3)} \text{cm}^(3)

Explanation:

The explanation is attached below.

13. The breadth, length and height of a cuboid are x cm, 2x cm and h cm respectively-example-1
13. The breadth, length and height of a cuboid are x cm, 2x cm and h cm respectively-example-2
User RVr
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