Risposte

2017-02-17T18:48:12+01:00
225 : 78,125 = 2,88
360 : 2,88 = 125° ampiezza settore
2017-02-17T18:56:49+01:00
Ac= 225 cm²
As= 78,125 cm²

α= As x 360°/Ac= 78,125x 360°/225= 125°