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how to find the distance formula of a triangle. If the triangle had been in a different position we may have subtracted or The expressions and vary only in the sign of the resulting number. Distance Formula In Figure 1 A is 2 2 B is 5 2 and C is 5 6.
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The distance formula is used to determine the distance d between two points. Two squared that is four plus nine squared is 81. The subscript 2 labels the cooerdinates of the second.
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We write the absolute value because distance is never negative. Distance x 2 x 1 2 y 2 y 1 2. An easy way to remember the formulae is to put distance speed and time or the letters D S and T into a triangle. The very essence of the Distance Formula is to calculate the length of the hypotenuse of the right triangle which is represented by the letter c.
