I discuss a teaching experiment that sought to characterize precalculus students' angle measure understandings. The study's findings indicate that the students initially conceived angle measures in ...

Save guides, add subjects and pick up where you left off with your BBC account. Calculate the arc length to 2 decimal places. First calculate what fraction of a full turn the angle is. 90° is one ...

A chord separates the circumference of a circle into two sections - the major arc and the minor arc. It also separates the area into two segments - the major segment and the minor segment. Calculate ...