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Big Ideas Math Geometry, 2014
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Big Ideas Math Geometry, 2014 View details
3. Using Midpoint and Distance Formulas
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Exercise 29 Page 25

Use the Distance Formula.

6.5

Practice makes perfect
To determine the distance between two points, we use the Distance Formula. The coordinates of the given points are R(0,1) and S(6,3.5).
RS = sqrt((x_2-x_1)^2 + (y_2-y_1)^2)
SubstitutePoints

Substitute ( 0,1) & ( 6,3.5)

RS=sqrt(( 6- 0)^2+( 3.5- 1)^2)
SubTerms

Subtract terms

RS=sqrt(6^2+2.5^2)
CalcPow

Calculate power

RS=sqrt(36+6.25)
AddTerms

Add terms

RS=sqrt(42.25)
CalcRoot

Calculate root

RS=6.5
The distance between R and S is 6.5.
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