Lines that intersect are intersecting or crossing lines. Perpendicular lines are lines that cross at a 90 degree angle. Skew lines are lines that are non-coplanar and don’t intersect.
You would do 60 seconds multiplied by 24 hours in a day which would be 1440 beats then you would multiply by the number of days in a year which is 365 then you would get the awnser of 525,600 beats per year.
