12. The circumference and area of a circle Jaa Sulje 3/16 Exercise 16.44 Avaa lomake 3/16 Exercise 16.45 Avaa lomake 3/16 Exercise 16.46 Avaa lomake 3/16 Exercise 16.47 Avaa lomake 3/16 Exercise 16.48 Avaa lomake 3/16 Exercise 16.49 Avaa lomake 3/16 Exercise 16.50 Avaa lomake 3/16 Exercise 16.51 Avaa lomake