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girdhari

· started a discussion

· 1 Months ago

120, 30,30 ratio of angle root of 3:1:1 hence ans must be 120 ...

Question:

Find the value of the angle subtended by the chord at the centre of the circle, if the length of chord is  3   x and radius is x.

Options:
A)

60º

B)

30º

C)

120º

D)

90º

Solution:

Ans: (c)

  so,  angle on center=120º

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