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What is the approximate circumference of a circle with a radius of 42.1 km?

A. 5565.4 km
B. 1391.3 km
C. 264.4 km
D. 132.2 km

Respuesta :

c.264.4 that should answer your question
Circumference of circle = 2*pi*r
                                     = 2*22/7*42.1
                                     = 264.4 km

Therefore, the circumference of the circle is 264.4 km