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Proofs: Angle Pairs and Segments

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Study Guide
    Lines and Angles Vocabulary and Definitions

    Lines and Angles Vocabulary and Definitions

    by Meera Santhanam //at grade

    This study guide defines the majority of vocabulary associated with lines and angles, from the definition of concurrent to what a vertex is. It includes pictures and a fill in the blanks section to check your understanding.

  • Study Guide
    Theorems on Lines, Angles, and Triangles

    Theorems on Lines, Angles, and Triangles

    by Meera Santhanam //at grade

    This study introduces basic two column proofs involving lines, angles, and triangles. Some of these include the straight line theorem, alternate exterior angles theorem, and vertical angles theorem. It also introduces proof related vocabulary.

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