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Heights and Distances

A girl walked...

Question

A girl walked from the point B to C and then she moved 20 m to reach the point D. She is looking at the top of the building. Which of the following will be her line of sight?

A

BC

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B

CD

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C

AD

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D

AC

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Solution

The correct option is C AD

The line of sight is the line drawn from the eye of an observer to the point in object viewed by the observer.

From the question, we know that, the girl moved from the B to C and then to D.
Now, the girl is at the point D and looking at the point A.
Hence, AD will be the line of sight.

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