3. Find c so that the distance between the points (7, 1, -3) and (4, 5, c) be 13 units.​

1 thought on “3. Find c so that the distance between the points (7, 1, -3) and (4, 5, c) be 13 units.​”

1. Step-by-step explanation:

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   The distance between the points A (0, 6) and B (0, –2) is

   A:8

   B:6

   C:2

   D:4

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   Chapter 7.Coordinate Geometry

   Question NO.420

   Question

   The distance between the points A (0, 6) and B (0, –2) is

   A:8

   B:6

   C:2

   D:4

   Answer

   By using the distance formula:

   d2 = (x2 – x1)2 + (y2 – y1)2

   Lets calculate the distance between the points (x1, y1) and (x2, y2)

   We have;

   x1 = 0, x2 = 0

   y1 = 6, y2 = – 2

   d2 = (0 – 0)2 + ( – 2 – 6)2

   d =

   d =

   d = 8 units

   So, the distance between A (0, 6) and B (0, 2) = 8

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