Triangle CDA is the image of triangle ABC after a 180° rotation around the midpoint of segment AC. Triangle ECB is the image of triangle ABC

Question

Triangle CDA is the image of triangle ABC after a 180° rotation around the midpoint of segment AC. Triangle ECB is the image of triangle ABC after a 180° rotation around the midpoint of segment BC.

Part A: Explain why ABCD and ABEC are parallelograms.

Part B: Identify at least two pairs of congruent angles in the figure and explain how you know they are congruent.

Part C: Explain how to use what you know about the sum of the angles in a triangle to figure out the sum of the angles of quadrilateral ABED.

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Nick 4 years 2021-08-07T09:40:47+00:00 1 Answers 92 views 0

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    2021-08-07T09:42:25+00:00

    Answer:equal and parallel opposite sides

    Step-by-step explanation:

    equal sides

    parallel opposite sides

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