Geometry

Question Analysis

The main focus is to find the lengths of each side of the triangle (since the figure is a triangle ) using the distance formula and then sum them up to get the perimeter.

Key Concept Explanation

Distance formula between two points and : .

Perimeter of a triangle is the sum of the lengths of its three sides, .

Step-by-Step Solution

1. Find the length of :

The coordinates of and .

Using the distance formula .

2. Find the length of :

The coordinates of and

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