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The proportionality of triangles is a mathematical concept that states that if two triangles have the same shape, then their corresponding sides are in proportion.
To determine if two triangles are proportional, you need to compare the corresponding sides of the triangles. If the ratios of the corresponding sides are equal, then the triangles are proportional.
The main purpose of solving proportionality of triangles problems is to find missing side lengths or angles of a triangle. This concept is also used in geometry and trigonometry to solve more complex problems.
The formula for solving proportionality of triangles problems is called the "triangle proportionality theorem" and it states that if a line parallel to one side of a triangle intersects the other two sides, then it divides those sides proportionally.
Proportionality of triangles is used in various fields such as architecture, engineering, and physics. It is used to calculate the height and distance of objects, design structures, and determine the scale of maps and blueprints.