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Part 1
The length of the diameter, d, of the circle is 24 cm. Find the length of the radius, r, of the circle.
To find the length of the radius, we can use the formula for the relationship between the diameter and the radius of a circle:
r = d/2
Given that the length of the diameter (d) is 24 cm, we can plug this into the formula:
r = 24/2
r = 12 cm
Therefore, the length of the radius of the circle is 12 cm.