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As per your syllabus, the perimeter of a SQUARE is a special case of the perimeter of a rectangle. With side a units, what is the square's perimeter?

Aa² units
B½a units
C2a units
D4a units
Answer & Solution
Correct answer: D. 4a units
Square is a rectangle with a=b, so perimeter = 2(a+a) = 4a. The other options misstate the formula.
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