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What is the value of X? Enter your answer in the box. {8th Grade Math, Triangles, Explanation and Answer, Practice Test}
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What is the value of X? Enter your answer in the box. {8th Grade Math, Triangles, Explanation and Answer, Practice Test}

What is the value of X? Enter your answer in the box. {8th Grade Math, Triangles, Explanation-example-1
User Emonigma
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all interior angles of triangles add up to a total sum of 180° so by adding 39 and 102 you get 141, 180-141=39 x=39

User Zulfe
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