12. Ken puts 4 pattern blocks together to make the design shown below. The small angles of each pattern block have
a measure of 30 degrees. What is the measure of the large
angle formed where all 4 pattern blocks join together?
degrees

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)