<span>378/42= 9 <span>441/63=7 <span>1008/24=42 <span>1085/35=31</span></span></span></span>
Ответ:
а) ∠ AOB = 11°
б) ∠ DOK = 135° - 50° = 85°
в) ∠ COF = 90° - 30° = 60°
г) ∠ FOM = 90°
д) ∠ COL = 150° - 30° = 120°
е) ∠ AOM = 180°
ж) ∠ KOE = 110° - 45° = 65°
и) ∠ LOK = 45° - 30° = 15°
к) ∠ EOG = 110° - 65° = 45°
V=S:t
1) 42:3=14 км\ч
Ответ 14 км\ч