What is the area of square with perimeter 36 cm.

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• A 81
• B 81 cm
• C 81 cm²
• D 81 m²

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Answer: C. 81 cm²

Side = Perimeter÷4 = 36 cm÷4 = 9 cm
Area = Side × Side = 9 cm×9 cm = 81 sq. cm (Area is written in square units)

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