if three angles of a quadrilateral are 75 ,90 and 105 degree find the fourth angle
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Answered by
2
Step-by-step explanation:
We know that, sum of all the 1 angles of a quadrilateral is 360°. Hence, the fourth angle of a quadrilateral is 120°.
Answered by
4
360-(75+90+105)
360-270
90
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