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Angles, Similarity, and Scale

9th Grade · Math · Australian Curriculum

5 lessons

Goal

Apply angle properties of parallel lines and polygons, and use similarity and scale to find unknown angles and side lengths in geometric problems.

5 lessons
0 of 5 done
  1. Angle Properties of Parallel Lines and TransversalsUp next
  2. Interior and Exterior Angles of PolygonsYou are here
  3. Identifying and Using Similar TrianglesNot started yet
  4. Using Similarity in Right Triangles: Geometric MeanNot started yet
  5. Using Scale in Geometric ProblemsNot started yet
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Learning standards covered

auAC9M9M03Australian Curriculum (v9) · Math · 9th Grade

solve spatial problems, applying angle properties, scale, similarity, Pythagoras’ theorem and trigonometry in right-angled triangles

Open Global Standard:OGM.10.GEO.7OGM.10.TRG.1
GlobalOGM.10.GEO.7
GlobalOGM.10.TRG.1