∠В=180-(20+10)=150°
АС/sin B=2R-т.синусов
25/sin150=2R
2R=25/(1/2)=50
R=25
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
∠В=180-(20+10)=150°
АС/sin B=2R-т.синусов
25/sin150=2R
2R=25/(1/2)=50
R=25