What are Congruent Figures? | 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 are Congruent Figures? | Don't Memorise

TL;DR

Shapes and figures are congruent if they have the same shape and size, and congruence applies to segments, angles, and triangles.

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Key Insights

  • 🥇 Congruency of figures is based on both shape and size, requiring exact overlap when placed on each other.
  • 🔺 Segments and angles can also be congruent if they have the same length or measurement.
  • 🔺 Triangles are congruent when all corresponding sides and angles are congruent.

Transcript

Let me draw a random polygon. A polygon is a closed figure with three or more sides. And we have another polygon here. Are these two figures congruent? Well, they look like each other. But the condition for congruency says that these two figures are congruent if one when placed on the other, they both should overlap exactly. If we move this one ove... Read More

Questions & Answers

Q: How can we determine if two figures are congruent?

Two figures are congruent when they have the same shape and size, and overlap exactly when placed on top of each other.

Q: Can congruency apply to segments and angles? How?

Yes, congruency applies to segments and angles. Segments are congruent if they have the same length, while angles are congruent if they have the same measure.

Q: What determines congruency in triangles?

Congruency in triangles is determined by the congruence of all the matching sides and angles. If all corresponding sides and angles are congruent, then the triangles are congruent.

Q: Can congruence be determined for figures that cannot be physically placed on each other?

Yes, congruence can be determined for figures that cannot be physically overlapped. By comparing their corresponding sides and angles, congruency can be established.

Summary & Key Takeaways

  • Congruency of shapes and figures is determined by their ability to overlap exactly when placed on top of each other.

  • Two figures are congruent if they have the same shape and size, while differing in placement or orientation.

  • Congruency also applies to segments and angles, as well as triangles, where matching sides and angles determine congruence.

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