If the degree measures of the angles of quadrilaterals are 4x,7x,9x and 10x.what is the sum of the measures of the smallest angle and largest angle (in degrees)
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Step-by-step explanation:
Axiom: sum of all angles in a quadrilateral is 360degrees
So 4x+7x+9x+10x= 360
30x= 360
X=12 degrees
So angles in quadrilateral are 48, 84, 108, 120
Smallest angle+ largest angle = 48+120= 168
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