alleryStart learning →Three square tiles with sides of 2 cm are put in a row. What is the perimeter of the long shape?
A16 cm
B24 cm
C12 cm
D18 cm
Answer & Solution
Correct answer: A. 16 cm
The row is 6 cm long and 2 cm wide, so the boundary is 6 + 2 + 6 + 2 = 16 cm.
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