The shape shown is a wire frame in the form of a large rectangle split by parallel
Question:
The shape shown is a wire frame in the form of a large rectangle split by parallel lengths of wire into 12 smaller equal-sized rectangles.
a. Given that the total length of wire used to complete the whole frame is 1512 mm, show that the area of the whole shape, A mm2, is given by the formula
where x mm is the width of one of the smaller rectangles.
b. Hence find the maximum area which can be enclosed in this way.
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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