One is a line segment ( it stops)( a line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints) and the other is a line that keeps doing
I think it’s 196? base 1 +base 2=28 radius is 7 but we need the whole thing so 7x2=14. then multiply and then divide by 2 28X14= 392 divided by 2 = 196