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The angles of a triangle are 80??, 2x + 2??, and 5x??. What is the value of x? Enter your answer in the box. x =
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The angles of a triangle are 80??, 2x + 2??, and 5x??. What is the value of x? Enter your answer in the box. x =

User Tirrell
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The triangle angle-sum theorem says that all those angles added together equal 180. Therefore, 80 = 2x + 2 + 5x = 180. 7x + 82 = 180 and 7x = 98. That means that x = 14.
User Mantono
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