What is the name of the triangle whose all the three sides are unequal ?

Options

A. Isosceles triangle
B. Equilateral triangle
C. Scalene triangle
D. None of these

Answer

To solve the question "What is the name of the triangle whose all the three sides are unequal?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Types of Triangles**:
- Triangles can be classified based on the lengths of their sides. The three main types are:
- **Equilateral Triangle**: All three sides are equal.
- **Isosceles Triangle**: Two sides are equal, and one side is unequal.
- **Scalene Triangle**: All three sides are unequal.

2. **Identify the Required Triangle**:
- The question specifically asks for a triangle where all three sides are unequal.

3. **Analyze the Options**:
- From our understanding of triangle types:
- An **Equilateral Triangle** does not fit because all sides are equal.
- An **Isosceles Triangle** does not fit because two sides are equal.
- A **Scalene Triangle** fits because all sides are unequal.

4. **Conclusion**:
- Therefore, the name of the triangle whose all three sides are unequal is a **Scalene Triangle**.

### Final Answer:
The triangle whose all three sides are unequal is called a **Scalene Triangle**.

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