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A 9 cm by 4 cm rectangle and a 6 cm by 6 cm square have equal area. By how much do their perimeters differ?

A1 cm
B4 cm
C0 cm
D2 cm
Answer & Solution
Correct answer: D. 2 cm
Both areas are 36 cm2, but the perimeters are 26 cm and 24 cm, which differ by 2 cm.
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