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- Prepare
- SQL
- Advanced Select
- Type of Triangle

# Type of Triangle

# Type of Triangle

Write a query identifying the *type* of each record in the **TRIANGLES** table using its three side lengths. Output one of the following statements for each record in the table:

**Equilateral**: It's a triangle with sides of equal length.**Isosceles**: It's a triangle with sides of equal length.**Scalene**: It's a triangle with sides of differing lengths.**Not A Triangle**: The given values of*A*,*B*, and*C*don't form a triangle.

**Input Format**

The **TRIANGLES** table is described as follows:

Each row in the table denotes the lengths of each of a triangle's three sides.

**Sample Input**

**Sample Output**

```
Isosceles
Equilateral
Scalene
Not A Triangle
```

**Explanation**

Values in the tuple form an Isosceles triangle, because .

Values in the tuple form an Equilateral triangle, because .
Values in the tuple form a Scalene triangle, because .

Values in the tuple cannot form a triangle because the combined value of sides and is not larger than that of side .