Question

an equilateral triangle which is the three side ​

Answer 1

Answer:

Internal angle (degrees): 60°

Edges and vertices: 3

Symmetry group: D3

Answer 2

Answer:

In geometry, an equilateral triangle is a triangle in which all three sides have the same length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°.

Internal angle (degrees): 60°

Edges and vertices: 3

Symmetry group: D3

Step-by-step explanation:

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