Tianas Marachi band is performing a concert that I mentioned below of the stage as shown what is the total area of the stage

How would you find the height of points on the circle? the topic is trigonometry.

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.

Anumber is equal to twice a smaller number plus 3. the same number is equal to twuce the sum of the smaller number and 1. how many solutions are possible for this situation