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In the given figure , ray AD is the bi...

In the given figure , ray AD is the bisector of `angleCAB` and the measure of `angleACD` is y .What must be the measure of `angleADC` in order for line AB to be parallel to line CD .

A

`90^(@)-y`

B

`90^(@)-y//2`

C

`180^(@)-y//2`

D

`90^(@)+y`

Text Solution

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The correct Answer is:
B
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