three angles of a quadrilateral are 70,85,85 ,find the fourth angle of it
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0
Answer:
Step-by-step explanation:
sum of angles in a quadrilateral is 360
So 4th angle is =360 - 70-170
=120
Answered by
2
Answer:
the sum of all interior angles of quadrilateral is 360°
let the missing angle be x.
70+85+85+x=360
240+x=360
x= 360-240
x= 120°
the fourth angle is 120°
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