List at least one way in which a scalene triangle and equilateral triangle are the same.

http://www.factmonster.com/ipka/A0876325.html

They have three straight sides which meet at three vertices.

Appears to be a rather obvious contradiction.

Scalene triangle -- all sides are different
equilateral triangle -- all sides are equal

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One way in which a scalene triangle and an equilateral triangle are the same is that they both have three sides.

To understand this, let's first define what a scalene triangle and an equilateral triangle are:
- A scalene triangle is a triangle in which all three sides have different lengths.
- An equilateral triangle is a triangle in which all three sides have the same length.

Now, to answer this question, we can think about the common characteristics of both triangle types. In this case, both the scalene triangle and equilateral triangle share the similarity of having three sides. However, the difference lies in the lengths of those sides: a scalene triangle has three sides of different lengths, while an equilateral triangle has three sides of the same length.

To recap, the shared characteristic between a scalene triangle and an equilateral triangle is that they both have three sides, but the lengths of those sides differ between the two types of triangles.