The length of a Rectugalur plot is greater than thrice its breath by 2m.the area of plot is 120sq m Find the length and breath of the plot
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Step-by-step explanation:
area of rectangle = 120 m²
L * B = 120 --------(1)
The length of a Rectugalur plot is greater than thrice its breath by 2m
L = 2+3B ----(2)
(2+3B)*B = 120
2B + 3B² - 120 = 0
3B²+2B -120 = 0
3B²- 18B +20B -120 = 0
3B( B-6) +20(B-6) = 0
B = 6m
substitute B value in (2)
L = 2 + 3(6)
L = 20 m
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