Point R is at (2, 1.2) and Point T is at (2, 2.5) on a coordinate grid. The distance between the two points is . (Input numbers and decimal point only, such as 8.2.) (3 points)

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Work Shown:

The two points we have are and

Apply the distance formula

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A shortcut is possible by subtracting the y coordinates of the two points, and making the result positive through the use of absolute value.

So we either say

|y1-y2| = |1.2-2.5| = |-1.3| = 1.3

or,

|y2 - y1| = |2.5 - 1.2| = |1.3| = 1.3

We get the same result. This shortcut is valid because the x coordinates of both points are the same.

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