Seudónimo Seudónimo

02-06-2015
Mathematics

contestada

What is the approximate circumference of a circle with a radius of 20 inches? Use π ≈ 3.14.

A.
125.6 inches

B.
62.8 inches

C.
251.2 inches

D.
120 inches

Respuesta :

IwAsSoMeGuY IwAsSoMeGuY

02-06-2015

C = (2)(pi)(r)
So in this case, the circumference is 125.6 inches

Answer Link

maxpelic maxpelic

02-06-2015

circumference = 2PIr

20*2*3.14 = 40*3.14 = 125.6

The answer is A. 125.6

Answer Link

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