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Lesson Plan

Illustrative Mathematics: G Co Why Does Asa Work?

Curated by ACT

In triangles ABC and ABD, we are given that angle BAC is congruent to angle BAD and angle ABC is congruent to angle ABD. Show that the reflection of the plane about line AB maps triangle ABD to triangle ABC. Aligns with G-CO.B.8.

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CCSS: Designed
Concepts
congruence, congruent triangles, line of symmetry
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Additional Tags
triangle congruence, cc by-nc-sa 4.0, ccss.math, creative commons attribution-noncommercial-sharealike 4.0, g-co.b.8, hsg-co.b.8, illustrative mathematics, illustrative mathematics: g-co why does asa work? hsg-co.b.8, why does asa work?
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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
HSG-CO.B.8