Question

if x+y =w+z,then prove that AOB is a line.​

Answer 1

Answer:

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Answer 2

Answer:

hello friend ur ans

Step-by-step explanation:

Line AB

angle z plus angle w =180...........(i)

angle y plus angle x=180.............(ii)

adding (i) and (ii)

x+y+w+z=360

angle x=z (vertically opposite angles)

x+y=180

hence proved