SOLUTION: The measures of two interior angles of a parallelogram are 80 and 100. What are the measures of th remaining two angels?

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Question 402280: The measures of two interior angles of a parallelogram are 80 and 100. What are the measures of th remaining two angels?
Answer by Coyote 10(7) About Me  (Show Source):
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A paralellogram has four angles that add up to 360 degrees. 80+100=180. 360-180= 180. Thus the two interior angles are 80 and 100