three angles of a quadrilateral are 75,90,and 75degree.find the fourth angle.
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9
Consider the fourth angle as x
Now
Sum of all the angles of a quadrilateral is 360 ,so
75+75+90+x=360
240+x=360
X=360-240=120
Now
Sum of all the angles of a quadrilateral is 360 ,so
75+75+90+x=360
240+x=360
X=360-240=120
Answered by
2
75+ 75+ 90+ x =360
240+ x = 360
x = 120
240+ x = 360
x = 120
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