quebone
quebone
11-07-2017
Mathematics
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what is the measure
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syed786
syed786
11-07-2017
Angle 1 is equal to angle3
And we know. angle 4 plus angle 3 makes an angle 180 degree
SO
We subtract angle 4 to angle 3
Angle 3 + angle 4 = 180°
40 + angle 4 = 180°
Angle 4 = 180-40 = 140
Angle 4 = 140° answer
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