Geometry

Question Analysis

This question is about applying the midpoint formula in coordinate geometry.

Key Concept Explanation

The midpoint formula for two points and is . Geometrically,  the midpoint is the point that divides the line segment joining two points into two equal - length segments.

Step - by - Step Solution

1. Identify the coordinates of the endpoints: Let and .

2. Calculate the -coordinate of the midpoint:

Use the formula .

Substitute and :

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