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Learning Dla Common Core Math Skill plans Recommendations You've won a new prize Fifth grade > Z.11 Parts of a circle Q7N The radius of a circle is 45 miles. What is the circle's diameter? =45 mi miles Submit

Sagot :

90 miles

1) Since the Diameter of a circle is twice larger than the radius of a circle.

2) Then we write

D =2R Plug into that R=45

D= 2*45

D= 90

3) So the Diameter is 90 miles

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