Hi
Let x represent the length of the first side. (x+5cm) the other two sides
Question states*** Perimeter being the lenfth of all sides
x + (x+5cm) + (x+5cm) = 37cm
solving forx
3x + 10c = 37cm
3x = 27cm
x = 9cm, length of first side. The other two sides are 14cm and 14cm