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Line segments A C and B D are diameters ...

Line segments `A C` and `B D` are diameters of the circle of radius one. If `/_B D C=60^0` , the length of line segment `A B` is_________

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Verified by Experts

The correct Answer is:
1
`/_A=60^(@) = /_ D`
`AC =2 ` (Given )
`/_ ABBC=90^(@)`
OR `X=1`
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