One angle of an isosceles triangle measures 108 degrees. Two isosceles triangles with congruent vertex angles are (always/sometimes/never) congruent. The triangles are similar, find the distance represented by x. The exterior angle of an equilateral triangle is 180-60=120, and it’s obtuse. The triangles are similar, find the distance represented by x. Isosceles triangles has two equal sides, and equilateral has all three sides equal. It means that all equilateral triangles are also isosceles, but not conversely. Equlateral triangles have all sides same length, so each side is perimeter divided by 3. \begin A) True B) True C) False D) False E) True Base angles are always acute. (T/F), All equiangular triangles are isosceles. E) True The exterior angle of an equilateral triangle is 180-60=120, and it’s obtuse. Study with Quizlet and memorize flashcards containing terms like All isosceles triangles are equiangular. Triangle EDF has angle measures of 90, 31, and 59, while triangle NML has. ![]() ![]() D) False Because we dont know the length of base. Not similar triangles because corresponding angles of each triangle are not congruent. C) False Isosceles triangles has two equal sides, and equilateral has all three sides equal. It means that all equilateral triangles are also isosceles, but not conversely. ![]() If two triangles are similar and two corresponding sides are equal, then the triangles. B) True Equlateral triangles have all sides same length, so each side is perimeter divided by 3. ABC and DBC are two isosceles triangles on the same base BC and.
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