Question 1046078
Thinking of the path being two sides of an Equilateral Triangle(25 a side) would work: 
*[illustration EquilateralTriangleArea.jpg].
Altitude is 12.5 √3
Walking to p(25,0) either taking top or bottom path  
Walking towards P(12.5, 12.5 √3) first or P(12.5 ,-12.5 √3)first  
{{{drawing(300,300,   -50,50,-50,50, grid(1), 
circle(0,0, 2),
circle(25,0, 2),
circle(12.5,12.5*sqrt(3), 2),
circle(12.5,-12.5sqrt(3), 2),
graph( 300, 300, -50,50,-50,50,0 ) )}}}