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In the figure shown below, lines AB and ...

In the figure shown below, lines AB and PQ are parallel to each other. All measurements are in centimetres.

Which of the following gives the value of cos `theta`?

A

`frac{b}{c}`

B

`frac{c}{b}`

C

`frac{c}{b+y}`

D

`frac{a+x}{b+y}`

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