two adjacent angles of a quadrilateral are 90° each and the third ang – InterviewSolution

1.	two adjacent angles of a quadrilateral are 90° each and the third angle is 140°. find the fourth angle
Answer» The fourth ANGLE is 40°Step-by-step explanation:Let the fourth angle be x°We KNOW all ANGLES of a quadrilateral sum up to 360°Let the equation to FIND x be:90 + 90 + 140 + x = 360320 + x = 360x = 360 - 320 x = 40°

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