Answer: X = 89°
Explanation:
At first glance I could tell this was an isosceles triangle, the angles of an isosceles triangle add up to 180°. So just add 73° + 13° = 91° so then you subtract 91° from 180° and you get 89°.
Answer:
94
the sum of the angles in a triangle add up to equal 180
180-73-13=94
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