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Which triangle is ​△ABC​ similar to and why?






△ABC is similar to △DEF by ​ AA Similarity Postulate ​.

△ABC is similar to △GHI by ​ AA Similarity Postulate ​.

△ABC is similar to △JKL by ​ AA Similarity Postulate ​.

​△ABC​ is not similar to any of the triangles given.

Which triangle is ABC similar to and why ABC is similar to DEF by AA Similarity Postulate ABC is similar to GHI by AA Similarity Postulate ABC is similar to JKL class=

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ElenaClaudia
△ABC is similar to △JKL by ​ AA Similarity Postulate.

Explication:

For ΔABC 

m∠A + m∠B + m∠C = 180°
  20° +   80° + m∠C = 180°
      100° + m∠C = 180°
            m∠C = 80°

Two angle pairs are congurent ⇒ △ABC ~ △JKL

Answer:

ABC is similar to GHI by the AA similarity postulate

Step-by-step explanation:

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