Chapter 9 Geometry Checklist
Right Triangles and Trigonometry
(2/3/25-2/14/25)
9.1 The Pythagorean Theorem
ð Reread 9.1 notes outside of class
ð Complete Big Ideas 9.1 using your notes and available videos.
ð Review submitted Big Ideas 9.1 and practice skills review for missed questions.
ð Complete IXL: (20 minutes a day recommended, works on cell phone)
o Pythagorean theorem
o Converse of the Pythagorean theorem
o Pythagorean Inequality Theorems
o Prove the Pythagorean theorem
ð Complete “green” practice page for 9.1 (under resources in gradebook)
9.2 Special Right Triangles
ð Reread 9.2 notes outside of class
ð Complete Big Ideas 9.2 using your notes and available videos
ð Review submitted Big Ideas 9.2 and practice skills review for missed questions.
ð Complete IXL: (20 minutes a day recommended, works on cell phone)
o Special right triangles
ð Complete “green” practice page for 9.2 (under resources in gradebook)
9.3 Similar Right Triangles
ð Reread 9.3 notes outside of class
ð Complete Big Ideas 9.3 using your notes and available videos
ð Review submitted Big Ideas 9.3 and practice skills review for missed questions.
ð Complete IXL: (20 minutes a day recommended, works on cell phone)
o Similarity and altitudes in right triangles
o Proofs involving similarity in right triangles
ð Complete “green” practice page for 9.3(under resources in gradebook)
9.4 The Tangent Ratio
ð Reread 9.4 notes outside of class
ð Complete Big Ideas 9.4 using your notes and available videos
ð Review submitted Big Ideas 9.4 and practice skills review for missed questions.
ð Complete IXL: (20 minutes a day recommended, works on cell phone)
o Find the tangent ratio
o Find a side length using the tangent ratio
ð Complete “green” practice page for 9.4 (under resources in gradebook)
9.5 The Sine and Cosine Ratios
ð Reread 9.5 notes outside of class
ð Complete Big Ideas 9.5 using your notes and available videos
ð Review submitted Big Ideas 9.5 and practice skills review for missed questions.
ð Complete IXL: (20 minutes a day recommended, works on cell phone)
o Trigonometric ratios: sin, cos, and tan
o Trigonometric ratios with radicals: sin, cos, and tan
o Trigonometric ratios: find a side length
o Sine and cosine of complementary angles
ð Complete “green” practice page for 9.5 (under resources in gradebook)
Full Chapter Review
ð IXL Checkpoints:
o Checkpoint: Triangle similarity and congruence
o Checkpoint: Right triangle trigonometry
ð Big Ideas Practice test with unlimited checks