Question

in fig if x+y=w+z, then prove that ab is a line ​

Answer 1

Answer:

x+ y + z+w = 360

x+ y= w+ z

x+ y + x+ y= 360

2( x+y) = 360

x+ y= 180

AB line split into x and Y

in line x+ y= 180

so AB isline

Answer 2

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