Geometry Intermediate

Triangle Similarity — AA, SSS~, SAS~

Select a similarity postulate, enter the required angles or side lengths for both triangles, and the calculator checks whether the triangles are similar, finds the scale ratio, and states all corresponding sides.

AA, SSS~, SAS~ postulates
Scale ratio & corresponding sides
Color-coded diagram
Inputs
Triangle 1 — Two Angles
Triangle 2 — Two Angles
Triangle 1 — Three Sides
Triangle 2 — Three Sides
Triangle 1 — Two Sides & Included Angle
Triangle 2 — Two Sides & Included Angle
Result
Enter values and click Check Similarity.
Step-by-Step Solution
Diagram
Put It Into Practice

The calculator shows the steps — a quiz proves you can do them on your own.

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