What is 11,339,800 to the nearest whole number

Me because some of question i don’t understand

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

I’m confused on how to work the pie charts