In order to find out the opinions of the seventh grade students on the three new year's Day activities, a survey was conducted among all the students. The results showed that 115 students chose the first one, 62 students chose the second one, 40 students chose the third one, and 8 students abstained to find out the percentage and degree

In order to find out the opinions of the seventh grade students on the three new year's Day activities, a survey was conducted among all the students. The results showed that 115 students chose the first one, 62 students chose the second one, 40 students chose the third one, and 8 students abstained to find out the percentage and degree

115+62+40+8=225
115/225=0.511=51.1%
62/225=0.275=27.5%
40/225=0.178=17.8%
8/225=0.036=3.6%
360 * 51.1% = 183.96 degrees
360 * 27.5% = 99 degrees
360 * 17.8% = 64.08 degrees
360 * 3.6% = 12.96 degrees