Thirty-Six

Unit 6 · 5 skills

Geometry

Angles, triangles, circles, area and volume, and the coordinate plane.

  • 8 lessons
  • 240 min of lessons so far
  • Unit boss

Your progress

 
Lesson 6.1

Skills covered

  • G1 · Aerodynamics & NavigationAngles, Parallel Lines & PolygonsFin Geometry
  • G2 · Aerodynamics & NavigationTriangles: Pythagorean, Special Right & SimilarTruss Bracing
  • G3 · Aerodynamics & NavigationCircles: Arcs, Sectors & Inscribed AnglesFairing Curvature
  • G4 · Aerodynamics & NavigationArea & Volume: Composite, 3D & ScalePayload Bay
  • G5 · Aerodynamics & NavigationCoordinate Geometry & ConicsOrbital Plotter

Lessons

  1. 6.1Angles, Lines & PolygonsChase vertical, supplementary, parallel-line, triangle, and polygon angles.30 min 
  2. 6.2Right TrianglesUse the Pythagorean theorem and special right-triangle ratios efficiently.30 min 
  3. 6.3Similarity & Triangle ReasoningSet corresponding sides in order and combine similarity with area and perimeter.30 min 
  4. 6.4Circles, Arcs & SectorsConnect radius, circumference, central angles, inscribed angles, arcs, and sectors.30 min 
  5. 6.5Composite Area & PerimeterBreak unfamiliar regions into familiar pieces and track boundaries carefully.30 min 
  6. 6.6Volume, Surface Area & ScaleSolve prisms, cylinders, cones, spheres, displacement, and scale-factor problems.30 min 
  7. 6.7Coordinate GeometryUse distance, midpoint, slope, and transformations on the coordinate plane.30 min 
  8. 6.8Circle Equations & ConicsRead centers, radii, vertices, and axes from circle, ellipse, and hyperbola forms.30 min 

Challenge sets

Optional, hardest-level questions at the end of each lesson. This is where a 36 is won.

Unit bossSeal GeometryA mixed set across every skill in this unit. Pass it to earn the unit seal.