sides of rectangle (3x +5) cm and (7x-9) cm its perimeter is
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Answered by
1
Answer:
The answer of this question is 20x-8
Answered by
2
Answer:
The perimeter of rectangle is 20x-6
Step-by-step explanation:
=> perimeter of rect. = 2(l+b)
=> 2{(3x+5)+(7x-9}
=> 2(3x+5+7x-9)
=> 2(10x-4)
=> 20x-8
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