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## What is the formula of similar triangle?

If all the three sides of a triangle are in proportion to the three sides of another triangle, then the two triangles are similar. Thus, if AB/XY = BC/YZ = AC/XZ then ΔABC ~ΔXYZ.

**What are the rules for similar triangles?**

Two triangles are similar if they meet one of the following criteria. : Two pairs of corresponding angles are equal. : Three pairs of corresponding sides are proportional. : Two pairs of corresponding sides are proportional and the corresponding angles between them are equal.

### What are similar triangles in trigonometry?

Two triangles are similar if they have the same shape but not necessarily the same size. The corresponding angles are equal, and the corresponding sides are proportional . We can think of one similar triangle as an enlargement or a reduction of the other.

**What are the 3 ways to prove triangles similar?**

These three theorems, known as Angle – Angle (AA), Side – Angle – Side (SAS), and Side – Side – Side (SSS), are foolproof methods for determining similarity in triangles.

## Is there a SSA similarity theorem?

SSA theorem Two triangles are similar if the lengths of two corresponding sides are proportional and their corresponding angles across the larger of these two are congruent.

**What do you mean by similar triangle?**

geometry. triangles that are similar due to the equality of corresponding angles and the proportional similarity of the corresponding sides. Similar triangles have an identical shape.

### Is SAA test of similarity?

Answer. Answer: SAA is not the test of similarity.

**How do you compare similar triangles?**

If two objects have the same shape, they are called “similar.” When two figures are similar, the ratios of the lengths of their corresponding sides are equal. To determine if the triangles shown are similar, compare their corresponding sides.