18. The side of one square is 3 cm longer than twice the side of the second square. The difference in
their areas is 144 sq. cm. Find the sides of the two squares.
Answers
Answered by
1
Answer:
the answer is 12
Step-by-step explanation:
the square of 12 is 144 and the perimeter of one square is 12
Answered by
8
let the side of the small square be x....
(2x+3)^2- x^2=144
......
3x^2+12x+9=144
x^2+4x+3=48
x^2+4x-45=0
x = 5
s1= 5cm
s2=13cm
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