If measures of three angles of a quadrilateral are 55°, 115° and 84°, then the measure of the fourth angle is?
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2
Answer:
106
Step-by-step explanation:
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3
Step-by-step explanation:
sum of all angles of a quadrilateral is 360°
three angles are 55° 115° 84°
fourth angle = 360° - ( 55°+115°+84°)
= 360° - 254°
= 106°
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