Radian measure and arc length

Lessons

• 1.
  Use the information in each diagram to determine the value of the variable
  Give your answers to the nearest hundredth of a unit.
  

  
  
  a)

  
  
  
  
  
  b)

  
  
  
  
  
  c)

  
  
  
  
  
  d)

  
  
  
  
  

---

• 2.
  A 20 cm long pendulum swings through an arc length of 60 cm. Through
  what angle, in both degrees and radians, does the pendulum swing?
  

---