'Whose proof' diaporamas de présentation

Chapter 4

Chapter 4 . 4-3 Angle Relationship in triangles. SAT Problem of the day . solution. Right Answer: A. Objectives. Find the measures of interior and exterior angles of triangles. Apply theorems about the interior and exterior angles of triangles. sum of the interior angles of a triangle.

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You will be able to find the measures of interior and exterior angles of triangles.

Objectives. You will be able to find the measures of interior and exterior angles of triangles. You will be able to apply theorems about the interior and exterior angles of triangles. An auxiliary line is a line that is added to a figure to aid in a proof.

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Find the measures of interior and exterior angles of triangles.

Objectives. Find the measures of interior and exterior angles of triangles. Apply theorems about the interior and exterior angles of triangles. An auxiliary line is a line that is added to a figure to aid in a proof. An auxiliary line used in the Triangle Sum Theorem. Sum. Thm.

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Angle Relationships in Triangles

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4.2 Angle Relationships in Triangles

4.2 Angle Relationships in Triangles. Triangle Sum Theorem. Examples:. After an accident, the positions of cars are measured by law enforcement to investigate the collision. Use the diagram drawn from the information collected to find m? XYZ. Examples:.

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12. Right 32. 4 13. Obtuse 34. no; isos does not have the 3 = sides needed

12. Right 32. 4 13. Obtuse 34. no; isos does not have the 3 = sides needed 14. Equiangular yes; equilateral has the 2 = sides needed 15. Equilateral 39. see pictures 16. Isosceles 55. parallel 17. Scalene 56. perpendicular

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