Teacher Resources

## Collection Contents

### When students are provided with the angle measure of the arc and the length of the radius of the circle, they understand how to determine the length of an arc and the area of a sector.

by Allen Wolmer

Teacher and Student versions of full lesson from engageNY
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### Students apply their understanding of arc length and area of sectors to solve problems of unknown area and length.

by Allen Wolmer

Teacher and Student versions of full lesson from engageNY
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Curriki RatingC
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### Arc Length

by Allen Wolmer

Arc LengthA radian is another unit of measurement for angles just like degrees. Radians are especially convenient for measuring angles that have to do with circles. There are  360 degrees in a circle and 90 degrees in a right angle. How many radians are in a circle and how many radians make up a right angle?Lesson, videos, exercises, and text from CK-12. Additional resources available at this site.
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### Sector Area

by Allen Wolmer

Sector AreaYou make a 10? diameter cheesecake for a party and coat the top in a layer of chocolate. You divide the cheesecake up into equal slices so that the central angle of each slice is  15 degrees . How many square inches of chocolate are on the top of each slice?Lesson, videos, exercises, and text from CK-12. Additional resources available at this site.
Member Rating
Curriki RatingC
'C' - Curriki rating

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