What is the value of x in the triangle?

B) x=3

Step-by-step explanation:

because the 2 angles (that are not the right angle) are both marked with one arc mark, you can assume they are the same angle

therefore, this is a 45-45-90 triangle

there are special properties of 45-45-90 triangles (shown in attatchment below)

with formula can conclude that:

3=x

       divide both sides by

3=x

x=3

hope this helps

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step-by-step explanation:

your answer would be 10x - 1