that 2
5. The three angles of a quadrilateral are equal. If the measure of the fourth angle
120°, what is the measure of each of the equal angles?
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OK SO LET'S START
FIRST OF ALL,
SUM OF MEASURE OF ANGLE=360°
ANGLE 1=120°
ANGLE 2=ANGLE 3=ANGLE 4=x
Hence,
120+x+x+x=360°
120+3x=360
x=240/3=80°
hence,measure of all remaining angle is 80°
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