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25-11-2016
Mathematics

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What is the length of arc ABC in terms of pi?
choices are:
a 15pi cm
b 3.75pi cm
c 7.5pi cm
d 15pi cm

What is the length of arc ABC in terms of pi choices are a 15pi cm b 375pi cm c 75pi cm d 15pi cm class=

Respuesta :

mozarth11 mozarth11

27-11-2016

L = pi.r.alfa / 180
L = pi.30.45 / 180
L = pi.3.45 / 18
L = pi.45 / 6
L = pi.15 / 2
L = 15pi/2 ou
L = 7,5 pi

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