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What is the relationship between the radius and the diameter of a circle?

User Harisu
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The Radius is the distance from the center outwards. The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle.
User Fabian Winkler
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Answer:

The radius is the horizontal part of the circle. Aka the upper and lower half of a circle

The diameter is the vertical part. Aka the left or right part of a circle

Explanation:

User AsymLabs
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