Geometry

Question Analysis

The main focus is on applying the standard formula for the area of a triangle using the given base and height values.

 

Key Concept Explanation

The area  of a triangle is calculated by the formula , where  is the base and  is the height. This formula is based on the relationship between triangles and parallelograms; a triangle occupies half the area of a parallelogram with the same base and height.

 

Step - by - Step Solution

1. Identify the base and height: Here, the base  and the height .

2. Apply the formula:

Substitute the values into .

First, calculate : .

Then, multiply by :

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