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OpenStudy (anonymous):
Can someone help? (Pic below) Find the length of arc QPR.
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OpenStudy (anonymous):
OpenStudy (anonymous):
Im stuck somewhere..
OpenStudy (cwrw238):
can you see that arc QPR is 3/4 of the total circumference of the circle?
OpenStudy (anonymous):
yes i got that :)
OpenStudy (cwrw238):
ok and the circumference = 2 pi r = 2*pi*15
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OpenStudy (anonymous):
ok
OpenStudy (cwrw238):
so arc pqr = 3/4 * 30 * 3.142
OpenStudy (anonymous):
70.69
OpenStudy (anonymous):
C should b my answer.
OpenStudy (cwrw238):
right they must have used different value for pi to get 70.65
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OpenStudy (anonymous):
ok. thx.(:
OpenStudy (cwrw238):
yw
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