Length of a rectangle is (2x+5)and its breadth 3x.Find the perimeter
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Perimeter of a rectangle = 2(l+b)
= 2(2x+5)(3x)
= 4x+10(3x)
= 12x²+30x
= 2(2x+5)(3x)
= 4x+10(3x)
= 12x²+30x
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Answered by
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Length of a rectangle (l) = (2x+5)
Breadth of a rectangle (b) = 3x.
Perimeter of a rectangle = 2(l+b)
2(2x+5+3x)
4x+10+6x
10x+10
x=10/10
x=1.
(2x+5)=2×1+5
=2+5
=7.
3x=3×1
=3.
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