jhanezd jhanezd

13-03-2017
Mathematics

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What is the measure in radians for the central angle of a circle whose radius is 6 cm and intercept arc length is 5. 4 cm?

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apologiabiology apologiabiology

13-03-2017

ok, so find circumference
arc/circumferece=xrad/2pirad

c=2pir
c=2pi6
c=12pi
arc=5.4cm

5.4/12pi=x/2pi
tims both sides by 2pi
5.4/6=x
0.9=x
0.9 radians

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