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avahrhey24
29.06.2019 •
Mathematics
(55 pts) in the diagram below, what is the approximate length of the minor arc ab? a. 7.9 cm b. 5.2 cm c. 3.1 cm d. 6.3 cm
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Ответ:
D. 6.3 cm
Step-by-step explanation:
arc length = r * theta
theta must be in radians
72 * pi/180 = 2/5 * pi
arc length = 5 * 2/5 * ip
arc length = 2 * pi
= 6.283 cm
Ответ: