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Question

You start from your home at A and run for 100m in west direction to reach point B. After that, you run for 50m in east direction to reach point C. Then you run for 100m in a South direction and reach point D. Which of the following is true?


A

AB ⊥ ​BC

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B

BC ⊥ CD

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C

AB ⊥ CB

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D

AD ⊥ CB

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Solution

The correct option is B

BC ⊥ CD


If you draw the path on a paper, you will find it similar to the figure below. We can see that BC ⊥​ CD.


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