Out of 90 scientists who study dinosaurs, 30 study the T-Rex, 22 study the Brontosaurs and 10 study both. How many of this group
1 answer:
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Answer:
The radius would be 4.8
Step-by-step explanation:
The circumerfence of a circle can be found use the equation C=2r. So since we are given the circumerce we need to rearrange the eqaution to it looks like
=r. when we do this out we find that the radius equals 4.8.