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Polygons

Unit 1 ● Lesson 7 ● Activity 1

Which one doesn’t belong?

A.

D.

C.

B.

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

Warm-up: Which One Doesn’t Belong?

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Construction Techniques 5: Squares

Unit 1

Lesson 7

Constructions and Rigid Transformations

GEOMETRY

3 of 7

Unit 1 ● Lesson 7

  • I can construct a square inscribed in a circle.
  • I can construct a square using a given segment for one of its sides.

Learning

Targets

Geometry

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It’s Cool to Be Square

Unit 1 ● Lesson 7 ● Activity 2

Use straightedge and compass tools to construct a square with segment AB as one of the sides.

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

5 of 7

Trying to Circle a Square

Unit 1 ● Lesson 7 ● Activity 3

Use your tools to construct a square inscribed in a circle.

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

6 of 7

Construction Techniques 5: Squares

Unit 1 ● Lesson 7

What you can construct: All Inscribed in a Circle

  • Equilateral triangle
  • Regular hexagon
  • Square

Each of these is an example of a regular polygon

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

Lesson Synthesis

7 of 7

regular polygon

Unit 1 ● Lesson 7

A polygon where all of the sides are congruent and all the angles are congruent.

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

Glossary