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1. What is the length of segment_AD?

1. What is the length of segment_AD?-example-1
User Ares
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2 Answers

3 votes
If you count, starting from A, which is -7, all the way until D, which is 8, you should get 15, because you are moving to the right, A -> D.
If you were moving to the left, it would be -15, which is A <- D
User Jmaloney
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Just count the notches between the two points, there are 15 notches so 15 is tour answer
User JoshJoshJosh
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