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area components MCQ Questions for Class 9

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Practice Questions

1 questions tagged with area components.

एक वर्ग मॉडल में कुल क्षेत्रफल \(x^2+18x+81\) है। यदि बीच की पट्टियां हटाकर केवल दो वर्ग बचे तो उनका कुल क्षेत्रफल क्या होगा?

A square model has total area \(x^2+18x+81\). If the middle strips are removed and only the two squares remain, what is their total area?

Explanation opens after your attempt
Correct Answer

A. \(x^2+81\)

Step 1

Concept

The two squares are \(x^2\) and (81), while (18x) is the strip area. Exam tip: separate square parts from rectangular parts.

Step 2

Why this answer is correct

The correct answer is A. \(x^2+81\). The two squares are \(x^2\) and (81), while (18x) is the strip area. Exam tip: separate square parts from rectangular parts.

Step 3

Exam Tip

दो वर्ग \(x^2\) और (81) हैं जबकि (18x) पट्टियों का क्षेत्रफल है। परीक्षा में वर्ग भागों और आयत भागों को अलग करें।

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