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The image you have provided contains a math problem in Gujarati. The question translates to:

**"If the two angles of a triangle are equal, what will be the measure of the third angle?"**

Options:
- A) 30°
- B) 45°
- C) 60°
- D) 50°

### Solution:
For an isosceles triangle (where two angles are equal), the sum of all angles in any triangle is always 180°. Let the two equal angles be \( x \). The equation will be:

\[
x + x + \text{third angle} = 180^\circ
\]

This simplifies to:

\[
2x + \text{third angle} = 180^\circ
\]

So, the third angle will be:

\[
\text{third angle} = 180^\circ - 2x
\]

We need to find the correct third angle from the options provided.

If we take \( x = 60^\circ \), then:

\[
\text{third angle} = 180^\circ - 2 \times 60^\circ = 180^\circ - 120^\circ = 60^\circ
\]

So, the correct answer is **C) 60°**.

Would you like further details or explanations?

### Relative Questions:
1. What is the sum of the internal angles of any polygon with \(n\) sides?
2. How would you find the third angle if one of the angles in a triangle is known?
3. Can an isosceles triangle ever have a right angle?
4. How does the exterior angle of a triangle relate to its interior angles?
5. What are the properties of equilateral triangles?

### Tip:
Always remember that the sum of the internal angles of any triangle is 180°, and this property is very useful in solving various types of triangle problems.

If the two angles of a triangle are equal, what will be the measure of the third angle?

Discover how to calculate the third angle in an isosceles triangle when two angles are known to be equal. This problem explores the properties of triangles and the fundamental theorem that the sum of angles in any triangle is 180°. Ideal for middle school students.

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