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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 3.75pi cm c-example-1
User Labratmatt
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1 Answer

3 votes
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
User Gopesh Sharma
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