How do I determine whether the triangles are similar by AA, SSS, SAS or not similar?

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

How do i find the missing angle measure in a polygon