The length of a rectangle is 1cm more than two times its breadth its peremetre is 80 what is its length, breadth
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Answer:
x = 13
Step-by-step explanation:
Let breadth = x | length = 2x + 1
We know perimeter of rectangle = 2(l + b)
2(2x + 1 + x) = 80
⇒ 2(3x + 1) = 80
⇒ 6x + 2 = 80
⇒ 6x + 2 - 2 = 80 - 2
⇒ 6x = 78
⇒ 6x/6 = 78/6
⇒ x = 13
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