How many main parts are formed in the square model of side (a+b)?
Answer and explanation
Correct answer: Four
When a square of side \((a+b)\) is divided into lengths a and b, it forms four regions: \(a^2\), \(ab\), \(ab\), and \(b^2\). Therefore, the correct answer is four. \(2ab\) is the combined area of the two separate \(ab\) regions, not one individual part. Exam tip: count each rectangle or square region separately in the diagram.
Frequently asked questions
What is the correct answer to this question?
Four
Why is this the correct answer?
When a square of side \((a+b)\) is divided into lengths a and b, it forms four regions: \(a^2\), \(ab\), \(ab\), and \(b^2\). Therefore, the correct answer is four. \(2ab\) is the combined area of the two separate \(ab\) regions, not one individual part. Exam tip: count each rectangle or square region separately in the diagram.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Visual models of identities.
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