carlo123
14.07.2019 •
Mathematics
How would you set up to solve for angle b using trigonometry?
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Ответ:
The sum of angles of any triangle is always 180 degrees
Now here
Angle A = 25° , Angle C = 90°
Now A+B+C= 180
25° +B + 90°=180°
115° +B = 180°
Subtract 115° from both sides
115°-115° +B = 180°-115°
B=65°
Angle B = 65 degrees
Ответ: