Algebra-1

Question Analysis
This question tests the student's ability to solve a literal equation for a specific variable. The given equation is the circumference formula for a circle, and the goal is to isolate in terms of and .

Key Concept Explanation
The key concept here is the use of algebraic operations to isolate the desired variable on one side of the equation. This involves applying the properties of equality (addition, subtraction, multiplication, division) to manipulate the equation.

Step-by-step Solution
1. Start with the given equation:
2. Divide both sides by

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