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OpenStudy (cydney_morgan):
Can some one help me with this question so I can do the rest on my own? ( Screen Shot Attached ) I'm really sorry, I have no clue what I'm doing.
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OpenStudy (cydney_morgan):
OpenStudy (anonymous):
131 degrees
OpenStudy (anonymous):
supplementary angles sum up to 180 so required angle measures 180-49 =131
OpenStudy (cydney_morgan):
Can you explain a little bit more in depth? If thats possible? >.< @notamathmajor @matricked
jimthompson5910 (jim_thompson5910):
|dw:1399267601674:dw|
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jimthompson5910 (jim_thompson5910):
angle ECA and angle ECD are supplementary, so they add to 180 degrees and form a straight angle (ie a straight line) the drawing visually confirms this
jimthompson5910 (jim_thompson5910):
|dw:1399267683095:dw|
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