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Chapter 13: Q2. (page 712)

Define the term radian.

Short Answer

Expert verified

A radian is defined as the angle subtended by an arc of length $(r)$ of a circle and of radius $(r)$ at the center of the circle.

Step by step solution

01

Step 1. Write down the given information.

The given statement is to define the term radian.

02

Step 2. Defining the term radian.

A radian is defined as the angle subtended by an arc of length $(r)$ of a circle and of radius $(r)$ at the center of the circle. In the figure shown below, 1 Radian is shown as:

03

Step 3. Conclusion.

A radian is defined as the angle subtended by an arc of length $(r)$ of a circle and of radius $(r)$ at the center of the circle.

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