Respuesta :

Yiyi123

Step-by-step explanation:

Here, x+ 45° = 180° (Sum of linear pair)

or, x= 180° - 45°

So, x= 135°

cameron029384

Answer:

Let x be the measure of the unknown angle.

Since the sum of angles in a triangle is 180°, we can write the equation:

45° + 60° + x = 180°

Solving for x:

105° + x = 180°

x = 180° - 105°

x = 75°

Therefore, the measure of the unknown angle is 75°.

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