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Saurabh Sinha

· started a discussion

· 1 Months ago

correct solution (Question: 246448.0 )

ang(ABO) is the external angle of triangle(OBC) and thus ABO=2y

Question:
In the figure, AB is the chord of a circle with centre O. AB is extended to C such that BC = OB. The straight line CO is produced to meet the circle at D. If ∠ACD = y° and ∠AOD = x° such that x = ky, then the value of k is –



Options:
A) 3
B) 2
C) 1
D) None of these 
Solution:

Ans: (a)


Knowledge Expert

· commented

· 1 Months ago

Dear Student,
You are right
We will get angle ABO by exterior angle property.
The given answer is correct.

Thanks and Regards
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