If the degree measure of the angle of a quadrilateral are 4 x 7 x 9 x and 10 x what is the sum of the measures of the smallest and the largest angle
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4x+7x+9x+10x=360
30x=360
x=360\30
x=12
smallest angle=4x=4*12=48
largest angle=10x=10*12=120
30x=360
x=360\30
x=12
smallest angle=4x=4*12=48
largest angle=10x=10*12=120
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