Respuesta :

Answer:

x = 12

Step-by-step explanation:

We know that the total sum of the angles inside of a triangle is 180 degrees.

In other words, we can say that (4x-5) + (3x+11) + 90 = 180. From there, we can isolate x, and solve

(4x-5) + (3x+11) + 90 = 180

7x + 96 = 180

7x = 94

x = 12

kieranoid2017

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