The three angles of a quadrilateral are 76°,54° and 108°. Find the measure of the fourth angle .
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Answered by
13
Answer:
76°+54°+108°+x=360 (Angle sum property of quadrilateral
x=360°-238°
x=122°
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Answered by
16
Answer:
a+b+c+d=360
76+54+108+d=360
130+108+d=360
238+d=360
d=360-238
d=122
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