tyerobby
tyerobby
07-04-2017
Mathematics
contestada
Please help with 20 through 25
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faithalde23
faithalde23
07-04-2017
Easiest way to find the arc is
2 * pi * r * ( the central angle (CA)/ 360)
20.pi* 2* r * central angle/ 360 = AB
2*r=24 CA/360=90/360=.25
pi*24*.25=pi * 6
So you should be able to use that formula on the rest :)
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