228k views
2 votes
Pls help me i need this right now

Pls help me i need this right now-example-1
User Avy
by
5.2k points

1 Answer

4 votes
  • Answer:

≈ 15.70 cm

  • Explanation:

L = πr·n°/180°

n = 180° - 66.4° = 113.6°

L = 3.14×7.9×113.6/180

= 2817.9616/180

= 15.6553

≈ 15.70 cm

User Brendon Colburn
by
4.7k points