ab2019
06.09.2020 •
Mathematics
a central Angle of a circle of radius 50cm intercept an arc of 10cm. express the central Angle in radian an degrees
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Ответ:
π/5 = 36°
Step-by-step explanation:
The formula for the arc length of a circle is: s = r Ф (Ф must be in radians)
Given: s = 10, r = 50
s = r Ф
10 = 50 Ф
(1/5)π = Ф (We include π because it must be in radians)
Convert into degrees using the proportion π = 180°
Ответ: