Asked by jill
if the sides of a square are increased by 5 cm the area of the new square is four times the area of the original square. Find the length of a side of the original square.
Answers
Answered by
PsyDAG
Let x = side of square.
(x+5)^2 = 4x^2
Solve for x.
(x+5)^2 = 4x^2
Solve for x.
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