21-02-2017
Mathematics

contestada

If the diameter of a circle is 8 cm, what is the exact circumference of the circle?

A 2π cm

B 4π cm

C 8π cm

D 16π cm

Respuesta :

Аноним Аноним

21-02-2017

C = 2πr
C= 2 x π x 4
C = 8π

answer is C 8π cm

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