in this figure, if x + y = w + z, then prove that AOB is a line.
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Hope it helps uhh...
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kaishviyadav:
sale kamine to sudhar nhi sakta na
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here is your answer
x+y+z+w= 360° (angle around a point)
z+w+w+z= 360°(given that x+y= z+w)
2z+2w= 360°
2(z+w)= 360°
z+w= 360/2
z+w = 180°
∴ x+y is in line AOB
∴ AOB IS A STRAIGHT LINE
HOPE IT HELPS
#BE BRAINLY
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