A triangle always forms __?__ angles whose sum always equals __?__.
Choice 'A' two, 180 °
Choice 'B' three, 180 °
Choice 'C' three, 360 °
Choice 'D' three, 90 °
Choice 'A' two, 180 °
Choice 'B' three, 180 °
Choice 'C' three, 360 °
Choice 'D' three, 90 °