the angles of a quadrilateral are 75°, 90°, 75°. find the fourth angle
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Answered by
5
Sum of all angles of a quadrilateral= 360°
Let the fourth angle be x
= 75 + 90 + 75 + x = 360°
= 240 + x = 360°
x = 120°
Hence, the fourth angle is of measure 120°.
Answered by
3
Hello friends
The sum of the quadrilateral = 360
Fourth angle = 360 - ( 75 +90 + 75 )
360 - 240
120
Hope I helped u ... Plz marks as Brainleist answer
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