A compound shape is given opposite. a. Show that the total perimeter of the shape is given
Question:
A compound shape is given opposite.
a. Show that the total perimeter of the shape is given by the expression 6x + 12.
b. Show that the total area of the shape is given by the expression 10x − 6.
c. A pupil says that he has worked out the total area to be 12 + 6x − 10 + 4x − 8. Explain whether this answer is correct.
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Related Book For
Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7
ISBN: 9781398301948
3rd Edition
Authors: Frankie Pimentel, Ric Pimentel, Terry Wall
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