What is the SSS Condition for Congruence? | Don't Memorise | Summary and Q&A

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December 18, 2014
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Infinity Learn NEET
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What is the SSS Condition for Congruence? | Don't Memorise

TL;DR

Two triangles are congruent if their corresponding sides are equal. AAA condition may or may not work.

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Key Insights

  • 🔺 Triangle congruence is determined by comparing corresponding angles and sides.
  • 🙃 The SSS (Side-Side-Side) condition guarantees congruence if three corresponding sides are equal.
  • 🔺 The AAA (Angle-Angle-Angle) condition may not always guarantee congruence because it does not take into account the size of the triangle.
  • 💠 The SSS condition always works for proving congruence, as the sides completely determine the shape and size of the triangle.

Transcript

when are two triangles congruent we know that all the corresponding angles have to be congruent and all the three corresponding sides also have to be congruent but to find out if they are congruent do we need to compare all six elements of each triangle three sides and three angles do we need to know all of them not necessarily to know if two trian... Read More

Questions & Answers

Q: What are the conditions for triangle congruence?

Two triangles are congruent if their corresponding sides and angles are equal. The SSS (Side-Side-Side) condition and the AAA (Angle-Angle-Angle) condition are two common conditions for determining triangle congruence.

Q: How does the SSS condition work?

The SSS condition states that if the three sides of one triangle are equal to the three sides of another triangle, the triangles are congruent. This means that the triangles have the same shape and size.

Q: Does the AAA condition always work for proving congruence?

No, the AAA (Angle-Angle-Angle) condition may or may not work for proving congruence. While it is true that if the three angles of one triangle match the three angles of another triangle, they should be congruent, the triangles can still have different sizes.

Q: Why does the SSS condition always work for proving congruence?

The SSS condition always works for proving congruence because if the three sides of one triangle are equal to the three sides of another triangle, the triangles will have the same shape and size. This is because the sides completely determine the shape of a triangle.

Summary & Key Takeaways

  • Two triangles are congruent if their corresponding angles and sides are equal.

  • The SSS (Side-Side-Side) condition states that if three sides of one triangle are equal to the three sides of another triangle, the triangles are congruent.

  • The AAA (Angle-Angle-Angle) condition may or may not work for congruence, as the triangles can have different sizes.

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