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this is the link to the triangle that is connected to the question. What is the value x?

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1 Answer

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The triangle is isosceles so the other two angles are the same.

Since all the angles in a triangle add up to $180^\circ$ then those angles are $70^\circ$ each. Now, $x$ is the suplementary angle to one of them i.e. $70^\circ + x = 180^\circ$ therefore $x = 110^\circ$

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