Anniephilippe1 Anniephilippe1

05-03-2019
Mathematics

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The diameter of a circle is 6 inches what is the length of 90 arc

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FireMage957 FireMage957

08-03-2019

d...diameter=6in => r= 3 in

l... length

a... alpha = 90°

l = a(2rπ)/360 = arπ/180 = 270π/180 =

l = 3π/2 in

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