Geometry

Question Analysis

The main focus is determining the base and height of triangle  from the given vertex coordinates and applying the formula  to calculate its area.

Key Concept Explanation

The area of a triangle is , where  is the base and  is the height. In a coordinate plane, when two points have the same  - coordinate, the vertical distance between them can be the height. When two points have the same  - coordinate, the horizontal distance between them can be the base.

Step - by - Step Solution

1. Points  and  have the same  - coordinate. The height  is