The length of a rectangle is 7 cm less than twice it's breadth If the length is increased by two cm and the breadth is increased by 3 cm the perimeter of the resulting rectangle is 66 cm find the length and breadth of the original triangle
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Answer:
Breadth = 13.3 cm
Length = 2(13.3 - 7) = 12.6 cm
Step-by-step explanation:
Breadth = x
Length = 2x - 7
Perimeter = 2(l+b)
If the length is increased by 2 cm and the breadth is increased by 3 cm, the perimeter will be 66 cm
2(x + 2x - 7) = 66
2(3x - 7) = 66
6x - 14 = 66
6x = 66 + 14
6x = 80
x = 80/6
x = 13.3 cm
Breadth = 13.3 cm
Length = 2(13.3 - 7) = 12.6 cm
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