Mat 157 section 10 5
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MAT 157 Section 10.5. Judy Sutor Scottsdale Community College. Learning Objectives. Define and name polygons Define triangles and quadrilaterals Compare and contrast properties of different quadrilaterals. Organize Quadrilaterals with a Venn Diagram. Polygons.

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MAT 157 Section 10.5

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Mat 157 section 10 5

MAT 157Section 10.5

Judy Sutor

Scottsdale Community College


Learning objectives

Learning Objectives

  • Define and name polygons

  • Define triangles and quadrilaterals

  • Compare and contrast properties of different quadrilaterals.

  • Organize Quadrilaterals with a Venn Diagram


Polygons

Polygons

A polygon is a closed connected shape in a plane consisting of a finite number of line segments that do not cross each other.


Geo boards

Geo-boards

  • Everyone make a triangle

    • What kinds of triangles do you know?

  • Make a quadrilateral

    • What kinds of quadrilaterals do you know?

  • Make a pentagon

  • Make a hexagon

  • Make an octagon

  • Make an n-gon


Triangle and quadrilaterals

Triangle and Quadrilaterals

  • Triangle – a closed shape in a plane that consists of 3 line segments

    • Right triangle

    • Isosceles triangle

    • Equilateral triangle

    • Isosceles right triangle

  • Quadrilateral – a closed shape in a plane that consists of 4 line segments

    • What kinds of quadrilaterals do you know?

      • Square

      • Rectangle

      • Rhombus

      • Parallelogram

      • Trapezoid


Special quadrilaterals

Special Quadrilaterals

  • All of the figures are quadrilaterals but fall into different categories based on other properties.


Compare and contrast

Compare and Contrast

  • Use the information below for Activity 10Y page 262.


Venn diagram

Venn Diagram

  • Venn diagrams are a convenient way to show how collections of items are related.

  • Let’s think about a Venn diagram that relates the set of even numbers from 1-20, the set of multiples of 4 from 1-20, and the set of factors of 20.

  • Create a Venn diagram that relates the set of whole numbers, the set of integers, the set of rational numbers, the set of irrational numbers, and the set of integers

  • Activity 10Z – Venn Diagrams Relating Quadrilaterals


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