abrilroblero9 abrilroblero9

01-02-2017
Mathematics

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What for the radius have to be so the area and circumference and area are the same

Respuesta :

27-02-2017

area of a circle = circumference of a circle
πr² = 2πr
r²=2πr÷π
r²÷r=2r÷r
r=2

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