one side of a rectangle exceeds its another side by 2 cm if the area is 195cm square find the side of a rectangke
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Answered by
1
Answer By Rashid21
l=97.5cm
w Width
2
cm
A Area
195
cm²
Using the formula
A=wl
Solving forl
l=A
w=195/2
=97.5cm
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vivekagarwal2004:
its wrong
Answered by
2
Area = l*b
195 = x(x+2)
195 = x² + 2x
x²+2x-195=0
x²+15x-13x-195=0
x(x+15)-13(x+15)=0
(x-13)(x+15)=0
x-13=0
x=13cm
b=13cm
l= b+2= 15cm
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