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Two triangles are similar if they have:

  • Two of the corresponding angles are equal
  • Two of the corresponding sides are in the same ratio
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10y ago

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Related Questions

Who discovered similarity of triangles?

The concept of the similarity of triangles has roots in ancient mathematics, with contributions from various cultures. However, the Greek mathematician Euclid is often credited for formalizing the principles of similar triangles in his work "Elements," around 300 BCE. He systematically presented the properties and criteria for similarity, laying the groundwork for future geometric studies.


Which similarity can not be used to prove that the given triangles are simila?

sss similarity


Which similarity postulate or theorem can be used to verify that two triangles are similar?

To verify that two triangles are similar, you can use several similarity postulates and theorems. The most common ones include: **AA Similarity Postulate (Angle-Angle Similarity Postulate):** If two angles of one triangle are congruent to two angles of another triangle, then the two triangles are similar. This postulate relies on the similarity of corresponding angles. **SAS Similarity Theorem (Side-Angle-Side Similarity Theorem):** If two pairs of corresponding sides of two triangles are in proportion, and their included angles are congruent, then the two triangles are similar. This theorem involves both sides and angles. **SSS Similarity Theorem (Side-Side-Side Similarity Theorem):** If the corresponding sides of two triangles are in proportion, then the two triangles are similar. This theorem only considers the proportions of the sides. These postulates and theorems are fundamental principles of triangle similarity and are used to establish whether two triangles are indeed similar. Remember that similarity means that the corresponding angles are equal, and the corresponding sides are in proportion.


What are all the mathematical triangles called?

The set of all triangles, probably.


The AA Similarity Postulate states that two triangles are similar if they have?

You would use the AA Similarity Postulate to prove that the following two triangles are similar. True or false?


How the triangle similarity postulates are alike and how they differ from triangle congruence postulates?

Similarity is where triangles have equal angles at each corner. Congruence is where triangles have sides of equal length.


How do you know when two triangles are similar?

Two triangles are similar if their corresponding angles are equal and their corresponding sides are in proportion. This can be established using the Angle-Angle (AA) similarity criterion, where if two angles in one triangle are congruent to two angles in another triangle, the triangles are similar. Alternatively, the Side-Angle-Side (SAS) and Side-Side-Side (SSS) criteria can also confirm similarity based on proportional side lengths.


The term for two triangles that are congruent after a dilation is called?

Similarity.


what- Students are designing triangular pennants to use at sporting events.Which statement is correct?

The triangles are similar by the Side-Side-Side Similarity Theorem.


What is the ratio of Two triangles that are similar and have a ratio of similarity of 310 what is the ratio of their areas?

If the ratio of similarity is 310, then the ratio of their area is 96100.


Similar triangles are triangles whose corresponding?

angles are congruent. That is sufficient to force the corresponding sides to be proportional - which is the other definition of similarity.


If 3 sides of one triangle are directly proportional to 3 sides of a second triangle then the triangles are similar?

SSS Similarity, SSS Similarity Theorem, SSS Similarity Postulate