Geometry

Question Analysis

The main focus is on using the area formula of a triangle to find the missing base. Given the area and height, we need to rearrange the standard area formula to solve for the base.

 

Key Concept Explanation

The area  of a triangle is calculated by the formula , where  is the base and  is the height. To find the base when  and  are known, we can rearrange the formula to  through algebraic manipulation.

 

Step - by - Step Solution

1. Identify the rearranged formula:

Use the formula .

2. Substitute the given values:

Given  and .

First, calculate : .