What is the sum of the angle measures of 24 - gon

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

What is the measure of the smallest angle in the diagram? 15 29 32 45