Geometry

Question Analysis

This question focuses on using the degree - to - radian conversion formula, testing your understanding of transforming angular measurements from the degree system to the radian system.

 

Key Concept Explanation

The formula for converting degrees to radians is . This is derived from the fact that a full - circle is or radians, establishing the ratio for conversion between the two units.

 

Step-by-Step Solution

1. Given the angle .

2. Apply the conversion formula: Substitute into , we get .

3. Simplify the fraction: by dividing both the numerator and denominator by 20.

 

Option Analysis

A. radians: Since , this corresponds to , not

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