A rectangle has sides of length x cm and y cm. a. If the perimeter is 24
Question:
A rectangle has sides of length x cm and y cm.
a. If the perimeter is 24 cm, find the lengths of the sides when the area is a maximum, confirming that it is a maximum.
b. If the area is 36 cm2, find the lengths of the sides when the perimeter is a minimum, confirming that it is a minimum.
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Step by Step Answer:
a To find the maximum area of the rectangle we need to use the perimeter as a constraint The perimeter of a rectangle is P 2x 2y 24 cm We can use this ...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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