एक आयत की लंबाई (4x-7) और चौड़ाई (3x+2) है। परिमाप का व्यंजक क्या होगा?
A rectangle has length (4x-7) and breadth (3x+2). What is the expression for its perimeter?
Explanation opens after your attempt
A. (14x-10)
Concept
The perimeter is (2[(4x-7)+(3x+2)]=2(7x-5)=14x-10). Add length and breadth first.
Why this answer is correct
The correct answer is A. (14x-10). The perimeter is (2[(4x-7)+(3x+2)]=2(7x-5)=14x-10). Add length and breadth first.
Exam Tip
परिमाप (2[(4x-7)+(3x+2)]=2(7x-5)=14x-10) है। पहले लंबाई और चौड़ाई जोड़ें।
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