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# Act math problem help?

Hey guys! I'm practicing for the ACT, and I haven't had Geometry for three years, so I can't figure out why the answer to this problem is C. If anyone could explain this to me that would be great :)

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- JohnLv 76 years agoFavorite Answer
Angle EAC = 41 degrees; interior opposite angles between parallel line i.e. <BAC and <ACD add up to 180 degrees so <ACD = 180 - 82 = 98 degrees so <ACE = 49 degrees; but those two add up to 90 degrees and the angles of any triangle add up to 180 degrees so <AEC = 90 degrees.

Source(s): Retired Maths Teacher- Login to reply the answers

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