HELP PLEASE 100 POINTS PLUS BRAINLIEST, (I had the answers already but some reason they got deleted

Step-by-step explanation:

The area of a sector can be given as:

, where is the angle of the sector in degrees.

Problem 11:

Problem 12:

Problem 13:

Convert radians to degrees:

Problem 14:

Convert radians to degrees:

Problem 15:

Problem 16:

Convert radians to degrees:

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.