In the figure, if AB ││CD, then find the value of ‘x’.


Join AC, So we get BAC=DCA=90 degreeSo now EAC = 110-90= 20 degreeNow in triangle ACE, ACE = 180-EAC -AEC=180-20-25 = 135 degreeSo Now sum of all the angles around C will be 360 degree and hence90+135+x = 360 x = 135 degree

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I THINK THE ANSWER IS 135O .
THANK YOU.



 
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