maria5633
21.12.2020 •
Mathematics
Знайдіть нулі функції y=x2-3+2/x-2
(/-це дріб,дуже потрібно!!!)
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Ответ:
8.5 cm
Step-by-step explanation:
Angles of the triangle:
x+2x+3x= 1806x= 180x= 3030°, 60° and 90°Right triangle as it has 90° angle
Sides are a, b and 19 cm
sin 30°= a/19 ⇒ a= 19 sin 30°= 19*0.5= 8.5 cm = shortest sidesin 60°= b/19 ⇒ b= 19 sin 60°= 19*0.866= 16.45 cm