1.

In the given figure, if AB || CD, ZBXY= 127°, ZCZY = 28º and ZXYZ = 2a -9°, then the value of a is ​

Answer»

-STEP EXPLANATION:draw a parallel LINE from y to ABthen 127+2a-9-28=1802a+127-37=1802a+90=1802a=180-90a=90/2a=45option 4



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