Geometry

Question Analysis

This question is about calculating the distance between two given points in a two - dimensional coordinate system. The main focus lies in accurately applying the distance formula.

 

Key Concept Explanation

The distance formula between two points and is .

 

Step - by - Step Solution

1. Identify the values of the coordinates:

Let and .

2. Calculate :

.

3. Calculate :

.

4. Substitute these values into the distance formula:

The distance .

 

Option Analysis

A:

Incorrect. The formula requires addition of the squares of the differences. Also, is calculated as

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