I need to find the value of x. Im only given the a degree how would you solve this?

Mathematics Asked by Liz on December 20, 2020

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

One Answer

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 $x = 110^circ$

Answered by Darth Geek on December 20, 2020

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