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Chapter 1: Tools of Geometry

Lesson 1: Points, Lines and Planes. Chapter 1: Tools of Geometry. Point - represents a location Line - made up of points and has no thickness or width, extends infinitely at both ends (cannot be measured) Collinear - points on the same line

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Chapter 1: Tools of Geometry

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  1. Lesson 1: Points, Lines and Planes Chapter 1: Tools of Geometry

  2. Point- represents a location • Line- made up of points and has no thickness or width, extends infinitely at both ends (cannot be measured) • Collinear- points on the same line • Plane- flat surface made from points that has no depth and extends in all directions infinitely • Coplanar- points or lines on the same plane • Space- boundless, 3-D set of all points that contains lines and planes Definitions

  3. Step 1- fold the construction paper in half both by width and length (hamburger and hotdog) • Step 2- Unfold the paper and hold width wise, fold in the ends until they meet at the center crease • Step 3- Cut the folded flaps along the crease so that there are now 4 flaps Chapter 1 Foldable

  4. Upper Left flap- Lesson 1.1 Points, Lines and Planes • Label the outside of the flap with the lesson number and title. • Inside the flap create a grid with 7 columns and 4 rows.

  5. Copy the notes into the foldable. P n B A X Y Z S

  6. A. Use the figure to name a line containing point K. B. Use the figure to name a plane containing point L. C. Use the figure to name the plane two different ways. Examples

  7. A. Name the geometric shape modeled by a 10  12 patio. B. Name the geometric shape modeled by a water glass on a table. C. Name the geometric shape modeled by a colored dot on a map used to mark the location of a city. D. Name the geometric shape modeled by the ceiling of your classroom. Examples

  8. Examples

  9. A. How many planes appear in this figure? B. Name three points that are collinear. C. Are points A, B, C, and D coplanar? Explain. Examples

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