Question

then x ________________​

Answer 1

Answer:

x=10°

Step-by-step explanation:

5x+7x+6x=180°(Angle sum property of triangle)

18x=180°

x=10°

I hope it helps

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Answer 2

Answer:

x=10°

Step-by-step explanation:

sum of all the angles of a triangle is 180° (angle sum property of triangles).

so,

6x+7x+5x=180°

18x=180°

x=180°/18

x=10°

hope this helps....