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Northwestern University

Parametric Equation Arc Length [Pdf]

For Students 9th - 10th
This site does a good job of clearly describing how we find the arc length of a parametric curve. The site works an example and gives the general formula for finding the arc length of a smooth parametric curve.
Activity
Mathematics Archives

Math Archives: Visual Calculus: Arc Length

For Students 9th - 10th
This site explains the arc length. The site has links to related topics and examples.
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Khan Academy

Khan Academy: Radians and Arc Length

For Students 9th - 10th Standards
Solve problems related to radians and arc length like finding an arc length given the central angle and radius. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Arc Length

For Students 9th - 10th Standards
Relate the length of an arc to the circumference of a whole circle and the central angle subtended by the arc. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Arc Length

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the length of an arc. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Arcs in Circles

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students apply the properties of arcs and central angles. Students examine guided notes, review guided practice, watch instructional videos and...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Arc Length

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find the length of an arc. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Arc Length

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains arc length and its relationship to radian measure of angles. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site...
Activity
Math Words

Math Words: Arc Measurements

For Students 9th - 10th Standards
This site offers the formula and an example of finding the length of an arc. The site also supplies a picture of what an arc is in a circle with links to related words.
Article
Other

The Saint Joan of Arc Center: Frequently Asked Questions About Joan of Arc

For Students 9th - 10th
Part of a larger collection dedicated to St. Joan of Arc, these FAQs can be helpful in understanding the myths surrounding this historic figure.
Activity
Oswego City School District

Regents Exam Prep Center: Arcs in Circles

For Students 9th - 10th
Provided are definitions of arcs in circles, an example and theorems to assist with test preparation.
Activity
Texas Instruments

Texas Instruments: Arc Length and Area of Sectors

For Teachers 9th - 10th Standards
This is an introduction to finding the arc length and area of sectors of circles. Students should have the formulas for Circumference and Area of circles.
Unknown Type
Khan Academy

Khan Academy: Arc Length

For Students 9th - 10th
A practice for students to find the length of an arc. Practice includes video instructions to give helpful hints.
Unit Plan
Texas Education Agency

Texas Gateway: Determining Arc Length

For Students 9th - 10th
Given a problem situation involving sectors of circles, the student will use proportional reasoning to solve the problem.
Unit Plan
Khan Academy

Khan Academy: Arc Measure

For Students 9th - 10th Standards
Use the fact that the arc measures of a circle must sum to 360 degrees to find missing arc measures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Arc Measure With Equations

For Students 9th - 10th Standards
Use the fact that the arc measures of a circle must sum to 360 degrees to find missing arc measures by setting up equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Length of an Arc

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Definition and measurement of an arc on a circle,
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Arcs in Circles

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students properties of arcs and central angles in circles. Students examine guided notes, review guided practice, watch instructional videos and...
Handout
Geometry Help

Geometry Help: Arcs, Angles, and Sectors

For Students 9th - 10th Standards
Explains the basic concept of arcs, angles, and sectors with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
PPT
Sumanas

Sumanas Inc: Discovery Biology: Reflex Arc

For Students 9th - 10th
Why do you pull your hand away from a hot stove? Use this tutorial to enhance your understanding of reflex arcs.
Activity
Texas Instruments

Texas Instruments: Inscribed Angles Intercepting the Same Arc

For Teachers 9th - 10th Standards
Students investigate the properties of angles inscribed in a circle. They use the drawing and measurement tools of Cabri Jr. to draw and measure certain angles, and establish the relationship between angles that intercept the same arc.
Activity
CK-12 Foundation

Ck 12: Arcs in Circles

For Students 9th - 10th
[Free Registration/Login Required] Students use the interactive circle to change the measure of the arcs. Click learn more to watch a video and click challenge me to answer a practice question.
Activity
Other

The Cave of Chauvet Pont D' Arc

For Students 9th - 10th
The only way to see the prehistoric cave paintings at Chauvet-Pont-D' Arc, France is to take the virtual tour offered here. Learn about the discovery of the caves and the archaeological evidence found that allows great insight into the...
Activity
CK-12 Foundation

Ck 12: Arcs in Circles

For Students 9th - 10th
[Free Registration/Login Required] Students will explore arcs in circles with this interactive activity. Click learn more to watch a video and click challenge me to answer a practice question.

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