Geometry

Question Analysis

The main focus is to determine the lengths of each side of triangle using appropriate distance - calculating methods and then sum these lengths to find the perimeter.

Key Concept Explanation

For two points and , the distance formula is . For horizontal sides (), the length is , and for vertical sides (), the length is . The perimeter of a triangle .

Step - by - Step Solution

1. Length of :

Given and , since - coordinates are the same (horizontal side), .

2. Length of :

For and

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