When we need to find the length (distance) of a segment we simply COUNT the distance!
When working with diagonal segments, use the Distance Formula to determine the length.
It doesn't matter which point you start with. Just start with the same point for reading both the x and y coordinates.
An example would be the following:
The Distance Formula is really just a coordinate geometry way of writing the Pythagorean Theorem. If you cannot remember the Distance Formula, you can always draw a graph and use the Pythagorean Theorem.
Use this method of working with the Pythagorean Theorem whenever you forget the Distance Formula!
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1. |
Find the length of the line segment whose endpoints
are (-3, 4) and (5,4).
Choose:
8
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