Agarden is designed in the shape of a rhombus formed from 4 identical 30°-60°-90° triangles. the shorter distance across the middle of the garden measure what is the distance around the perimeter of the garden? es 30 feet

        It also means that a rhombus is formed from 2 identical equilateral triangles ( 2 identical 30 - 60 - 90 triangles forms one equilateral ) and a side of that triangle measures : 30 feet. 
     
      The perimeter of the garden :  4 * 30 = 120 feet