two adjacent angle of a parallelogram are in the ratio 4:5 . find the – InterviewSolution

1.	two adjacent angle of a parallelogram are in the ratio 4:5 . find the measure of all the angles of a parallelogram
Answer» LET the ANGLES be 4x,5x 4x+5x=180 9x=180 x=20 4x=4×20=80 5x=5×20=100 All angles are 100,80,100,80

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