Two adjacent angles of a parallelogram are in the ratio 5:7. find the measure of all the angles
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sum of angles in pralellogram is 360
in that opposite angles are equal
therefore let original number be x
so 5x+7x+5x+7x=360
24x=360
x=360/24
x=15
therefore all angles =75,105,75,105
in that opposite angles are equal
therefore let original number be x
so 5x+7x+5x+7x=360
24x=360
x=360/24
x=15
therefore all angles =75,105,75,105
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