एक त्रिभुज की भुजाएं (3x+2), (2x-7) और (x+9) हैं। परिमाप का व्यंजक क्या होगा?
The sides of a triangle are (3x+2), (2x-7), and (x+9). What is the expression for its perimeter?
Explanation opens after your attempt
C. (6x+4)
Concept
Perimeter is the sum of all sides. ((3x+2)+(2x-7)+(x+9)=6x+4).
Why this answer is correct
The correct answer is C. (6x+4). Perimeter is the sum of all sides. ((3x+2)+(2x-7)+(x+9)=6x+4).
Exam Tip
परिमाप सभी भुजाओं का योग है। ((3x+2)+(2x-7)+(x+9)=6x+4)।
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