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Aleonysh [2.5K]
3 years ago
14

PLZ HELP ASAP RANDIans and arc length

Mathematics
2 answers:
mr Goodwill [35]3 years ago
7 0
The complete circumfernce is 2pi
The fraction of the circumfrence is: 
(3pi/5)/(2pi)=(3pi/5)/(2pi/1)=(3pi*1)/(5*2pi)=(3pi)/(10pi)=3/10

Answer: 3/10 of the circumference
FromTheMoon [43]3 years ago
3 0

<span>The full arc of the circumference is:</span>

<span> S = 2pi * r</span>

<span> The arch is:</span>

<span> S '= (3/5) pi * r</span>

<span> Dividing we have:</span>

<span> S '/ S = ((3/5) pi * r) / (2pi * r)</span>

<span> Simplifying we have:</span>

<span> S '/ S = ((3/5)) / (2)</span>

<span> S '/ S = ((3/10))</span>

<span> Answer:</span>

<span> The fraction of the arch is:</span>

<span><span> S '/ S = ((3/10))</span></span>

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