artichaze1 artichaze1

18-11-2018
Mathematics

contestada

NEED HELP LIKE NOW 15 points if answered!!!!!!!
how do you work it out

NEED HELP LIKE NOW 15 points if answered how do you work it out class=

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jcherry99 jcherry99

18-11-2018

Remark

You have to stare at this for a moment before you catch on. When you fold the arc into a circle, 8pi becomes the circumference of the base circle.

Formula

C = 2*pi*r

C = 8pi

Solution

8pi = 2pi * r Divide both sides by 2pi

8pi / 2 pi = r

4 = r Answer

Answer Link

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