2sin 2theta = root 3 , find the value of theta

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Don't know how to find x given these segment lengths

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?