SOLUTION: If one angle of a parallelogram is 42°, find the number of degrees in the remaining 3 angles?
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Question 891445: If one angle of a parallelogram is 42°, find the number of degrees in the remaining 3 angles?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Two parallel equal sides, and another two parallel and equal sides. Same thing with the angles. Two pair of congruent opposite angles. Sum of the interior angles is 360 degrees for a parallelogram.
42+42+x+x=360
2x=360-84
x=138
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