Radius of a circle is 15cm. How far should the center of another circle be from the midpoint of this circle to ensure that there is no overlap in their circumferences?
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Step-by-Step Solution
Step 1: Understand the problem
We are given the radius of the first circle, R1=15 cm. We need to find the minimum distance between the centers of two circles such that their circumferences do not overlap. This implies that the circles can touch at most at one point, or be completely separate.
Step 2: Consider the second circle
The problem does not specify the radius of the second circle. To ensure no overlap, the distance between their centers must be greater than or equal to the sum of their radii. Without the radius of the second circle, we cannot determine a specific numerical answer.
Step 3: Formulate the condition for no overlap
Let d be the distance between the centers of the two circles. For the circumferences of the two circles not to overlap, the distance between their centers must be greater than or equal to the sum of their radii. If d=R1+R2, the circles touch at exactly one point. If d>R1+R2, the circles are completely separate.
Step 4: Identify missing information
Since the radius of the second circle (R2) is not provided, the problem is underdetermined. We cannot calculate a specific numerical distance. The answer will be an expression in terms of R2.