Find the perimeter of a rectangle 12 m long and 7 m wide.
A19 m
B42 m
C38 mCORRECT
D84 m
Common EntranceMathematicsPerimeter
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Why the answer is C, and why the others tempt you.
Perimeter = 2 x (length + width) = 2 x (12 + 7) = 38 m.
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