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 ...

To calculate the sector area, first calculate what fraction of a full turn the angle is. The formula to calculate the sector area is: \(\text{Sector area} = \frac{\text{angle}}{360} \times \pi r^2 \) ...

This is a preview. Log in through your library . Abstract This article suggests a method for estimating a test-score equating relationship from small samples of test takers. The method does not ...