At president Bush's inauguration in 2005,the newspaper headlines stated there were about 400,000 people in attendance.
As the newspaper rounded to the nearest ten thousand , so the largest number of people will be = 404000 (if it were 405000, it will round to 410000 which is wrong)
CL will always be the same as LD, the CD line is perpendicular to AB where the L is, so, the extreme points of CD will always be in the same distance of L.
