The perimeter of a rectangle is 40 cm. The length of the rectangle is more than double its breadth by 2. Find length and breadth. (Solve the linear equations using Cramer’s method only)
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Step-by-step explanation:
let the breadth b x cm
thn,
perimeter = 40 cm
l = 2x + 2
perimeter = 2 ( l + b )
40 = 2 ( x + 2x + 2)
20 = 3x + 2
20 - 2 = 3x
18 = 3x
x = 6
b = 6 cm
l = 2 × 6 + 2 = 12 + 2 = 14cm
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