Vector Geometry question

SHUTTER

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Dec 4, 2016
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I am absolutely stuck on question B, and I'll a test on the topic
attachment.php
attachment.php
very soon. I understand vector geometry pretty well, but this question makes no sense to me. The answer is given but I would like to know why. (It extends...how will I know its length? ) Here is the question with the answer.

QUESTION (b)
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ANSWERS


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Thank you!
 

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I am absolutely stuck on question B, and I'll a test on the topic
attachment.php
attachment.php
very soon. I understand vector geometry pretty well, but this question makes no sense to me. The answer is given but I would like to know why. (It extends...how will I know its length? ) Here is the question with the answer.

QUESTION (b)
attachment.php

ANSWERS


attachment.php



Thank you!
TQM is a triangle comprised of vectors TQ and QM.

Now what does triangle law of addition of vectors tell you?
 
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