Circle math problem,, area

The measure of an angle is 117°. what is the measure of a supplementary angle?

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

How many zeroes do we write when we write all the integers 1 to 243 in base 3?