Respuesta :

Answer:

x = 36°

Step-by-step explanation:

The interior angles of a triangle must add up to 180°.  

Thus, 90° + 54° + x = 180°, or

144° + x = 180°.  Subtracting 144° from both sides, we get x = 36°

The value of x in the triangle will be equal to 36°.

What is trigonometry?

The branch of mathematics sets up a relationship between the sides and the angles of the right-angle triangle is termed trigonometry.

The interior angles of a triangle must add up to 180°.  

90°  +  54°  +  x  =  180°, or

144°   +   x   =  180°.  Subtracting 144° from both sides, we get

x   =   36°

Therefore the value of x in the triangle will be equal to 36°.

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