What is the area of 4/5 and 1/10

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

What else equals 42 and 30 for multiply