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Splash Screen

Splash Screen. Students will be able to… Identify and classify triangles by angle measures. Identify and classify triangles by side measures. Then/Now. Concept. Classify Triangles by Angles. A. Classify the triangle as acute , equiangular , obtuse , or right. Example 1A.

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Splash Screen

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  1. Splash Screen

  2. Students will be able to… • Identify and classify triangles by angle measures. • Identify and classify triangles by side measures. Then/Now

  3. Concept

  4. Classify Triangles by Angles A. Classify the triangle as acute, equiangular, obtuse, or right. Example 1A

  5. Classify Triangles by Angles B. Classify the triangle as acute, equiangular, obtuse, or right. Example 1B

  6. A. ARCHITECTUREThe frame of this window design is made up of many triangles. Classify ΔACD. A. acute B. equiangular C. obtuse D. right Example 1A

  7. B. ARCHITECTUREThe frame of this window design is made up of many triangles. Classify ΔADE. A. acute B. equiangular C. obtuse D. right Example 1B

  8. Classify Triangles by Angles Within Figures Classify ΔXYZ as acute, equiangular, obtuse, or right. Explain your reasoning. Example 2

  9. Classify ΔACD as acute, equiangular, obtuse, or right. A. acute B. equiangular C. obtuse D. right Example 2

  10. Concept

  11. Classify Triangles by Sides ARCHITECTUREThe triangle truss shown is modeled for steel construction. Classify ΔJMN, ΔJKO, and ΔOLNas equilateral, isosceles, or scalene. Example 3

  12. ARCHITECTUREThe frame of this window design is made up of many triangles. Classify ΔABC. A. isosceles B. equilateral C. scalene D. right Example 3

  13. If point Y is the midpoint of VX, and WY = 3.0 units, classify ΔVWY as equilateral, isosceles, or scalene. Explain your reasoning. Classify Triangles by Sides Within Figures Example 4

  14. If point C is the midpoint of BD, classify ΔABC as equilateral, isosceles, or scalene. A. equilateral B. isosceles C. scalene Example 4

  15. ALGEBRA Find the measures of the sides of isosceles triangle KLM with base KL. __ Finding Missing Values Example 5

  16. ALGEBRAFind x and the measure of each side of equilateral triangle ABC if AB = 6x – 8, BC = 7 + x, and AC = 13 – x. A.x = 10; all sides are 3. B.x = 6; all sides are 13. C.x = 3; all sides are 10. D.x = 3; all sides are 16. Example 5

  17. End of the Lesson

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