एक आयत मॉडल में लंबाई (r+2) और चौड़ाई (r+3) है। कुल क्षेत्रफल कौन सा होगा?
In a rectangle model, the length is (r+2) and the breadth is (r+3). What is the total area?
Explanation opens after your attempt
C. \(r^2+5r+6\)
Concept
The area is ((r+2)(r+3)), which becomes \(r^2+5r+6\). Exam tip: add the four parts of the rectangle.
Why this answer is correct
The correct answer is C. \(r^2+5r+6\). The area is ((r+2)(r+3)), which becomes \(r^2+5r+6\). Exam tip: add the four parts of the rectangle.
Exam Tip
क्षेत्रफल ((r+2)(r+3)) है जो \(r^2+5r+6\) बनता है। परीक्षा में आयत के चार भाग जोड़ें।
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