toloftbtisaagbrey toloftbtisaagbrey

03-09-2016
Mathematics

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what is the circumference of a circle if the radius of the circle is 2.2 in terms of pi? a) 1.1 pi b) 1.21 pi c) 2.2 pi d) 4.4 pi

Respuesta :

JoshEast JoshEast

04-09-2016

Cicumference = Dπ or 2rπ

thus if r = 2.2
then C = 2 (2.2)π
= 4.4π

D is the answer

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