Answer:
The answer is: 
Step-by-step explanation:
If we add the angles inside a triangle, we must have
. So we have an
angle and an
angle, their sum is
, so the missing angle must be 
Step-by-step explanation:
5.03709
4.923935
√17
√12
The triangles are similar because all pairs of corresponding angles are congruent.
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The answer is x=-7 you just have to cancel the like factors out n you don’t have to divide nothing in this equation.