What is the perimeter of this polygon?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle