Write an expression for the area of square 4 by combining the areas of the four triangles in the two squares.

only 10/60 isn't equivalent

hope this : )

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.