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Pythagoras' Theorem and Trigonometry

9th Grade · Math · Australian Curriculum

7 lessons

Goal

Apply Pythagoras' theorem and trigonometric ratios in right-angled triangles to solve 2D and 3D spatial problems, including real-world applications.

7 lessons
0 of 7 done
  1. Pythagoras' Theorem in 2D ProblemsUp next
  2. Pythagoras' Theorem in 3D ProblemsNot started yet
  3. Introduction to Trigonometric Ratios in Right-Angled TrianglesYou are here
  4. Finding Side Lengths Using TrigonometryNot started yet
  5. Finding Angles Using TrigonometryNot started yet
  6. Angles of Elevation and DepressionNot started yet
  7. Mixed Spatial Problem SolvingNot 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
auAC9M9SP01Australian Curriculum (v9) · Math · 9th Grade

recognise the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles using properties of similarity

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