Problema Solution
If the side of a square are lengthened by 6cm, the area becomes 169cm^2.
Find the length of a side of the original aquare
Length of a side of the original square is ____________cm
Answer provided by our tutors
Area of a square = l2
So, after lengthening the sides area =(l+6)2 = 169.
=> l+6 = 13.
l=7 cm.
So, sides of the square = 7 cm.