If three angles of quadrilateral are 70 degree ,30 degree and 45 degree,then find the fourth angle.
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Step-by-step explanation:
1st angle = 70°
2nd angle = 30°
3rd angle = 45°
According To Question
=> 70° + 30° + 45° + 4th angle = 360°
=> 145° + 4th angle = 360°
=> 4th angle = 360 - 145
=> 4th angle = 215°
So, the value of 4th angle is 215°
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