Problema Solution
If the sides of a square are lengthened by 5 cm, the area becomes 196 cm^2. Find the length of a side of the original square.
The length of a side of the original square is ___ cm.
Answer provided by our tutors
Let the length of original square be x.
(x+5)^2 = 196
or x+5 = 14 (taking positive value only)
or x = 14-5 = 9.
The length of original square is 9 cm.