MATH 130 · Unit 2

Circles, Radians, Velocity, and Solids

This lecture is organized as two complete class meetings. Choose the session you are teaching or reviewing.

Session 1

Area and Circle Geometry

Area decomposition, circle measures, arcs, sectors, and angle theorems

55 minutes · 22 slides

  • decompose figures and compute area accurately
  • use circle terminology and circumference-area formulas
  • apply inscribed-angle, chord, and arc theorems
Open session 1

Session 2

Radians, Velocity, and Solid Geometry

Angle conversion, arc length, sectors, motion, volume, and surface area

55 minutes · 22 slides

  • convert angle measures and compute arc length and sector area
  • relate angular velocity, linear velocity, and distance
  • select volume and surface-area formulas for solids
Open session 2

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