Essential Mathematics Final Practice Exam Worksheet - Grade 12 Page 22
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509. A thin rectangular metal plate has dimensions as shown on the diagram.
(Module 8, Lesson 4)
0
w = 8.5
cm
0.3
l = 15.5 ± 0.1 cm
For the top surface of the metal plate, calculate (2 marks)
a) the maximum (upper limit) area
b) the minimum (lower limit) area
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G r a d e 1 2 E s s e n t i a l M a t h e m a t i c s
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