SOLUTION: The opposite angles of a parallelogram are 2x+10 degree and 3x-20degree.Find all the angles of parallelogram

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Question 762155: The opposite angles of a parallelogram are 2x+10 degree and 3x-20degree.Find all the angles of parallelogram
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Opposite angles of a parallelogram are equal.
2x + 10 = 3x - 20
-x = -30
x = 30
So the opposite angles = 70 degrees.
In a parallelogram ABCD
A = C
B = D Opposite angles
Also A + B
D + C = 180 degrees
So, other opposite angles = 110 degrees