SparklyUnicorn22 SparklyUnicorn22

06-05-2015
Mathematics

Answered

the circumference of a large crater is about 219 m. what is the radius of the crater?

Answer :

06-05-2015

circumference of a circle is
c=pi d, where d is diameter
219=3.14*d
d=219/3.14=69.74
radius r=69.74/2=34.87

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