The minute hand of a circular clock is `15 cm` long. How far does the tip of the minute hand move in 1 hour. (Take `pi=3.14`)

Explanation

To find out how far the tip of the minute hand moves in one hour, we need to calculate the circumference of the circle formed by the minute hand's movement. Here are the steps to solve the problem:

### Step-by-Step Solution:

**Step 1: Understand the problem.**
The minute hand of a clock moves in a circular path. The length of the minute hand is given as the radius of this circle.

**Step 2: Identify the radius.**
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