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If 2 line segments AB and CD is collinear, what is the sum o

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by Max@Math Revolution » Mon May 02, 2016 10:44 pm
If 2 line segments AB and CD is collinear, what is the sum of AB and CD?

A. 5
B. 6
C. 8
D. 9
E. 10

* A solution will be posted in two days.
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by Max@Math Revolution » Tue May 10, 2016 6:00 pm
According to the Pythagoras theorem, we get sides of a triangle as 9:12:15. Then this can be reduced to 3:4:5. Hence, 15-5=10, making E as the correct answer.
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