Find the missing length indicated. Leave answer in simplist radical form

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

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