Question
The side of one square is 5cm longer than the side of another square. The area of the two squares differ by 85 square centimetres. find the length of the side of the smaller square.
Answers
bobpursley
(s+5)^2-s^2=85
s^2+10s+25-s^2=85
10s=110
s=11
check my work
s^2+10s+25-s^2=85
10s=110
s=11
check my work