Mathews-Triangle Inequality Theorem
 Can the following be the side lengths of a triangle?The Triangle Inequality Theorem states that the sum of the lengths of any 2 sides of a triangle must be greater than the length of the third side.{6, 8, 13}YesNot enough informationNo Can the following be the side lengths of a triangle?The Triangle Inequality Theorem states that the sum of the lengths of any 2 sides of a triangle must be greater than the length of the third side.{2, 12, 9}YesNot enough informationNo Can the following be the side lengths of a triangle?The Triangle Inequality Theorem states that the sum of the lengths of any 2 sides of a triangle must be greater than the length of the third side.{15, 7, 8.5}YesNot enough informationNo The three sides of a triangle are {10, x, 8}.Which inequalities can be written? Select three!The Triangle Inequality Theorem states that the sum of the lengths of any 2 sides of a triangle must be greater than the length of the third side.x + 8 > 108 + 10 ≥ x10 + x > 810 + 8 > xx > 10 + 8 Find the measure of the exterior angle of the triangle.oº95º65º Find the measure of the interior angle of the triangle.165º88ºo
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