Hello! I am happy to help you.
Here, x=36.
2*36=72*2=144+36=180. A triangle's measure equals 180.
Hope this helps!
The diameter would be d≈288.85!
I hope this helped! Brainliest? :) -Raven❤️
You'd first have to find out what percentage of people would be 30 out of 100%