Jaspar is rushing to catch the 13: 12 train from edinburgh to london. the train leaves once an hour at 12 minutes past. how long will jaspar have to wait if he arrives 12 minutes late?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle