raphroos raphroos

31-07-2017
Mathematics

contestada

find the diameter and circumference of a circle with the radius of 13.1 km.

Respuesta :

choixongdong choixongdong

31-07-2017

R = 13.1
so
diameter = 13.1 x 2 = 26.2 km
circumference = 2 pi r = 26.2 pi km
or
circumference = 26.2 x 3.14 = 82.27 km

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