![]() ![]() Every equilateral triangle is also equiangular.All altitudes (or heights) are congruent.All interior angles are congruent and each measure \(60^\circ\).Well, some of these types of triangles have special properties Isosceles Triangle. We’ve learned that you can classify triangles in different ways. Equilateral Triangle: Definition and Properties:Īn equilateral triangle has all three sides of equal length. Isosceles and equilateral triangles Worksheets. The altitude drawn to the base bisects both the base and the vertex angle.Ģ.You can use these theorems to find angle measures in isosceles triangles. Converse of Isosceles Triangle Theorem If of a triangle are congruent, then the those angles are congruent. The angles opposite the equal sides are congruent. Isosceles Triangle Theorem If sides of a triangle are congruent, then the the sides are congruent. ![]() Isosceles Triangle: Definition and Properties:Īn isosceles triangle has two sides of equal length, known as the legs. Step-by-step Guide: Isosceles and Equilateral Trianglesġ.
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