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Geometry and Trigonometry / Area and volume Difficulty: Easy

Each side of a square has a length of $45$ . What is the perimeter of this square?

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Explanation

The correct answer is $180$ . The perimeter of a polygon is equal to the sum of the lengths of the sides of the polygon. It’s given that each side of the square has a length of $45$ . Since a square is a polygon with $4$ sides, the perimeter of this square is $45 + 45 + 45 + 45$ , or $180$ .