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GAURAV KUMAR

· started a discussion

· 1 Months ago

how O is the centre (Question: 233301.0 )

there is nowhere given O is the centre of the circle

Question:
In the given figure, AB is the diameter of the circle. Find the value of \(\angle ACD\):


Options:
A) 30º
B) 60º
C) 45º
D) 25º
Solution:

Ans: (c)

saket

· commented

· 1 Months ago

AB is the diameter and it always passes through the centre of the circle.so O is the centre

Gopi Krishna

· commented

· 1 Months ago

yes, you are right. O should be mentioned as the centre otherwise angle B cannot be equal to 45

Ketan Kumar

· commented

· 1 Months ago

paplu h tu . AB diameter par he to center hoga

Manoj kumar singh

· commented

· 1 Months ago

center doesn't matter
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