Question

if the length is 5 cm more than the breadth of a rectangle and the perimeter is 130 cm, then find the length and breadth of the rectangle.​

Answer 1

Let the breadth of rectangle be x

So, length = x + 5

Given that peri.water = 130

=> 2(x + x + 5) = 130

=> 2(2x+5) = 130

=> 2x + 5 = 65

=> 2x = 60

=> x = 30

Thus, length = 30 + 5 = 35 cm

breadth = 30 cm

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Answer 2

Answer:

Let the breadth is x

Length=x+5

Perimeter=2(l+b)

130= 2(l+b)

130=2(x+x+5)

130=4x+10

130-10=4x

120=4x

X=30