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I have an online homework assignment I don't get. Could someone walk me through the first problem (above)?

 Dec 22, 2021
 #1
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What do you notice about angle DCA and CAB? What are the sum of the angles in a triangle?

Have you heard of alternate interior/exterior angles?

 Dec 22, 2021
edited by tinfoilhat  Dec 22, 2021
edited by tinfoilhat  Dec 22, 2021
edited by tinfoilhat  Dec 22, 2021
 #2
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Here is a clue:

 

 Dec 23, 2021

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