See the logic behind shapes — proof and rigid motion, similarity, trigonometry, 3D measurement, circles, and probability. Visual thinking meets algebraic precision.
Click any unit to open its full study guide with lessons, key ideas, and practice quizzes.
Geometric constructions, transformations, translations, reflections, rotations, and two-column proof.
→ Unit 2Triangle congruence criteria (SSS, SAS, ASA, AAS, HL), CPCTC, and congruence proofs.
→ Unit 3Scale factor, similar figures, triangle similarity criteria, and indirect measurement.
→ Unit 4The Pythagorean theorem, special right triangles, and sin/cos/tan ratios and applications.
→ Unit 5Quadrilateral properties, polygon angle sums, coordinate geometry, and the distance/midpoint formulas.
→ Unit 6Surface area and volume of prisms, pyramids, cylinders, cones, and spheres; cross-sections.
→ Unit 7Circle parts, arc & angle relationships, tangent lines, sector area, arc length, and circle equations.
→ Unit 8Sample spaces, compound events, conditional probability, independence, and expected value.
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