If the triangle has a base length of 8in and a total area of 32 in what is the height

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

I’m really confused and need to learn this