Verified answer

Объяснение:

8.1

1) 25•π/180=25π/180=5π/36

2) 40•π/180=2π/9

3) 100•π/180=5π/9

4) 160•π/180=8π/9

5) 210•π/180=7π/6

6) 300•π/180=5π/3

8.2

1) π/10•180/π=18°

2) 2π/5•180/π=72°

3) π/9•180/π=20°

4) 1,2π•180/π=216°

5) 3π•180/π=540°

6) 2,5π•180/π=450°