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What is the length of DE? and What is the length of AD? and What is the length of EC?

What is the length of DE? and What is the length of AD? and What is the length of-example-1
User Ethan Post
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Answer:

DE's length is 1/2 of BC's length, due to it being a mid segment (13)((You can tell it is a mid segment due to the congruency lines)). AD's length is 12, due to there being a midpoint. EC's length is 10, also due to the congruency lines.

User Suren Raju
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