Question

Tolong, y...1-3 trima ksih...

Answer 1

2. n =
3. 23 =
     23 + 1 =360 /α
     24 = 360 /α
     α =36/24 =15 derajat

Answer 2

2. n = 360/30 -1
   n = 12-1
   n = 11
3. 23 = 360/α -1
    23α = 360° - 1
    α = 360° - 1 (23)
    α = 15,65 - 0,04
    α = 15°