Move the end points on the green line segments to help you determine the central angle.
This video gives more detail about the mathematical principles presented in Arc Length.
This video shows how to work step-by-step through one or more of the examples in Arc Length.
A list of student-submitted discussion questions for Arc Length.
To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.
To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Dabble in some cartography and find out how you can use geometry to calculate distances on a globe.
An overview of the formulas for circumference, arc length, sectors, and segments of circles is presented in this study guide.