if two adjacent angles of a parallelogram are (6x- 8) and (5 x + 1 )then find the measures of all angle.
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Opposite angles are equal in parallelogram so other two angles = (6x-8),(5x+1)
{(6x-8)+5x+1)}x2=360. (Sum of angles in quadratic)
11x-7=180
11x=187
x=17
The four angles of parallelogram =94,86,94,96
{(6x-8)+5x+1)}x2=360. (Sum of angles in quadratic)
11x-7=180
11x=187
x=17
The four angles of parallelogram =94,86,94,96
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