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atul niwas yadav

· started a discussion

· 1 Months ago

might be wrong (Question: 108004.0 )

is it even possible for xyc to be 90 degree, as xy is parallel to bc

Question:

In the adjoining figure, XY || BC and YB is angle bisector of ∠ABC then \(\cfrac{∠AXY}{∠YBC} = \ ?\)


Options:
A) 5 : 4
B) 4 : 5
C) 2 : 1
D) 6 : 5
Solution:
Ans: (c) 


AXY = 90 degree and YBC is 45 degree

Ratio is 2:1

Knowledge Expert

· commented

· 1 Months ago

Dear Student, angle XYB = angle CBY= 45degree, alternate angle. YB is angle bisector,if XYB is 45 degree thus CYB is also 45 degree. so given answer is correct according to given condition. Keep learning keep solving Best wishes Team Toprankers
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