## Math Problem Statement

Find the missing side angle or value of the variable x , for the smaller triangle a=5 b=4 and c=3 for the bigger triangle d=15 and e=12 find x

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Geometry

Similar Triangles

Proportions

### Formulas

a/d = b/e = c/x (Proportionality of corresponding sides in similar triangles)

### Theorems

Similarity Theorem

Proportionality of Corresponding Sides

### Suitable Grade Level

Grades 9-10

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