Help plz
Is the triangles similar? Why or why not?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189