Math
posted by Anonymous .
In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram

Math 
Henry
The opposite angles are equal:
A = C = 2x+25, B = D = 3x5.
2(2x+25) + 2(3x5) = 360.
4x+50 + 6x10 = 360, X = 32.
A = C = 64+25 = 89o, B = D = 965 = 91.
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