Question

Triangles have three sides. Equilateral triangles are a subcategory of triangles that have all sides of equal length.

Which statement is true?
A.
For a shape to be an equilateral triangle, it only has to have three sides.
B.
For a shape to be an equilateral triangle, it has to have four sides with all sides of equal length.
C.
For a shape to be an equilateral triangle, it has to have three sides with all sides of equal length.
D.
For a shape to be an equilateral triangle, it only has to have four sides.

Answer 1

The correct statement is:

C. For a shape to be an equilateral triangle, it has to have three sides with all sides of equal length.