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If the side of a square is (x), which expression represents its perimeter?
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Answer and explanation
Correct answer: \(4x\)
A square has four equal sides. If each side is \(x\), its perimeter is \(x+x+x+x=4x\), so option B is correct. \(x^2\) represents the area of the square, not its perimeter. Exam tip: remember that the perimeter of a square is \(4 \times\) side.
Frequently asked questions
What is the correct answer to this question?
\(4x\)
Why is this the correct answer?
A square has four equal sides. If each side is \(x\), its perimeter is \(x+x+x+x=4x\), so option B is correct. \(x^2\) represents the area of the square, not its perimeter. Exam tip: remember that the perimeter of a square is \(4 \times\) side.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Algebraic expressions.
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