Question

Please answer it!! You have to answer by step by step explaination.......​

Answer 1

Answer:

just assume that a point y in beside of x ..

so

x+y=180°

x=180°-45°= 135° {y=45° , interior corresponding angle}

Answer 2

Answer:

l is parallel to m

<1+45=180(co interior angle)

<1=180-45=135

<1=x=135(vertically opp angle)