What information do you need to see if triangles are similar?
Same lengths
What other information what you need
Not the same lengths.
http://www.mathsisfun.com/geometry/triangles-similar.html
mathsisfun.kom/geometry/triangles-similar-finding.html
To determine if two triangles are similar, you need to compare their corresponding angles and side lengths. Specifically, you would need the following information:
1. Angle-Angle (AA) Similarity: If two angles of one triangle are congruent to two angles of another triangle, then the two triangles are similar.
2. Side-Angle-Side (SAS) Similarity: If one pair of corresponding sides of two triangles are proportional and the included angles are congruent, then the two triangles are similar.
3. Side-Side-Side (SSS) Similarity: If the corresponding sides of two triangles are in proportion, then the two triangles are similar.
4. Angle-Side-Angle (ASA) Similarity: If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the two triangles are similar.
By comparing these different aspects of the triangles, you can determine if they are similar.