Me with this questions, it is super important. i offer what is the sum of the measures of the angles of any triangle? what is the sum of the measures of the angles of any quadrilateral? is it possible to have a triangle whose angle measures do not sum to 180°? is it possible to have a quadrilateral whose angle measures do not sum to 360°?

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307