Find the length of the arc with central angle of 225° and radius of 5 cm. Round to the nearest hundredth. 19.63 cm 24.53 cm 45 cm 98.13 cm Please help!!!

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asked Oct 14, 2019 104k views

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Dinc · Answer 1 · 2019-10-18T05:51:57+0000

we know that
circumference=2*pi*r
for r=5 cm
circumference=2*pi*5-----> 31.4 cm

if 360° (full circle) has a length of------------> 31.4 cm
225°-----------------------------> X
X=225*31.4/360-----> X=19.625-----> x=19.63 cm

the answer is
19.3 cm

Find the length of the arc with central angle of 225° and radius of 5 cm. Round to the nearest hundredth. 19.63 cm 24.53 cm 45 cm 98.13 cm Please help!!!

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