In the figure given​, lines l and m intersect each other at O. If x = 40°, then find the values of y, z and w

Dear student,

x°=z°    Vertically opposite anglesz°=40°x°+y°=180°        Linear Pair40°+y°=180°y°=140°w°=y°    Vertically opposite anglesw°=140°

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