What would need to be used to show the triangles are congruent by AAS? See picture for full problem. Please and thank you!

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2