Given the Radius, Diameter, or Circumference of a circle match it to the appropriate relationship. r = Radius d = Diameter C = Circumference C=πd

Question

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If r = 2 and d = 4
If r = 4 and d = 8
If d = 6 and C = 6π
If d = 5 and C = 5π

Answer 1

Here are the matched relationships based on the given values:

1. If r = 2 and d = 4

   • Relationship: \( d = 2r \) (Diameter is double the Radius)

2. If r = 4 and d = 8

   • Relationship: \( d = 2r \) (Diameter is double the Radius)

3. If d = 6 and C = 6π

   • Relationship: \( C = πd \) (Circumference equals π times the Diameter)

4. If d = 5 and C = 5π

   • Relationship: \( C = πd \) (Circumference equals π times the Diameter)

These matched relationships show the fundamental connections between radius, diameter, and circumference of the circle.