100 + 120 = 220°
the sum of interior angle of a quadrilateral is 360°
if the missing two angles are congruent
meaning
<1 = <2 = x
220 + x + x = 360
2x = 140
x = 70°
70° the measure of each missing angles
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Answers & Comments
100 + 120 = 220°
the sum of interior angle of a quadrilateral is 360°
if the missing two angles are congruent
meaning
<1 = <2 = x
220 + x + x = 360
2x = 140
x = 70°
70° the measure of each missing angles
make this brainliest and I'll try to answer your next question :)