find the fourth angle of a quadrilateral if three angle are 60,120,110.
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Answer:
70 degree
Step-by-step explanation:
360-(60+120+110)
=360-290
=70degree
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The quadrilateral has 4 angles and sum of all angles is equal to 360* as you know you have already 3 angles so sum them and then subtract it from 360
Angle 1- 60
Angle 2-120
Angle 3-110
Let angle 4 be X
So 60+120+110+X=360
290+X=360
X=70* so angle 4 is 70
Angle 1- 60
Angle 2-120
Angle 3-110
Let angle 4 be X
So 60+120+110+X=360
290+X=360
X=70* so angle 4 is 70
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