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Illuminations: To Find the Center of a Circle

To Find the Center of a Circle

Find the center of the circle using only the drafting triangle and pencil as shown.

Puzzle provided by Kordemsky: The Moscow Puzzles (Dover)

National Council of Teachers of Mathematics
Math Topics
Geometry
High School
9th Grade, 10th Grade, 11th Grade, 12th Grade
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Illuminations (National Council of Teachers of Mathematics)
National Council of Teachers of Mathematics

Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers.

https://illuminations.nctm.org/Content.aspx?id=58

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National Council of Teachers of Mathematics

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Resource k12

K-12 Categories

Advanced Search

Submit a Resource

Illuminations: To Find the Center of a Circle

To Find the Center of a Circle

Find the center of the circle using only the drafting triangle and pencil as shown.

Puzzle provided by Kordemsky: The Moscow Puzzles (Dover)

National Council of Teachers of Mathematics
Math Topics
Geometry
High School
9th Grade, 10th Grade, 11th Grade, 12th Grade
Download PDFs
PDF File
Descriptions of PDFs

Problem and solution

What are you looking for?

Organization

National Council of Teachers of Mathematics

Website URL

Type of Resource

Activity Sheet
PDF File

Assigned Categories