Level:
Project ID:
9000062906
Accepted:
1
Clonable:
0
Easy:
0
A semicircle is a half of the full circle. An infinite spiral is built from
semicircles with a decreasing radius. The radius of the first semicircle is
. The
radius of each semicircle in the spiral is one half of the radius of the previous
semicircle. Find the total length of the spiral.