Click on sides and angles of the reference triangle to select them, then test if your selection guarantees that a second triangle with those properties must be similar.
Selected elements:
Select some sides and/or angles from the reference triangle, then click Test Selection to see if they guarantee a similar triangle.
Similarity Postulate
• S stands for Side — knowing the ratio (proportion) of a side
• A stands for Angle — knowing an angle measure
• Similar triangles have the same shape but can be different sizes
• Think about what minimum information guarantees the same shape
• There are 3 similarity postulates to discover: AA, SAS~, and SSS~