A regular octahedron.
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A regular octahedron.
no. Equilateral triangles have all equal sides. Isoceles triangles only have 2 congruent sides. Isosceles triangles have 2 equal sides.
Triangles are equilateral triangles only when all of their 3 sides are equal in lengths.
Equilateral triangles have 3 equal sides whereas isosceles triangles have only 2 equal sides
3 because equilateral triangles are triangles that have 3 congruent sides.