Answers

1. The fourth vertex’s coordinates are as follows: ( 2.1, -3.6)

   What are coordinates?

   A coordinate system in geometry is a method for determining the precise location of points or other geometrical objects on a manifold, such as Euclidean space, using one or more numbers, or coordinates.

   So, let the missing coordinates be (a,b).

   Let’s now utilize the midpoint formula to locate the erroneous coordinate.

   Let the reference point be (-2.3, 3.6) A.

   Let point B be (2.3, 2.2).

   (2.1, 2.2) Let C be the point.

   The center of AC should be at BD.

   Step 1: Locating the AC’s midpoint

   Middle pint of AC:

   (-2.3 + 2.1/2), (-3.6 + 2.2/2)

   (0.2/2), (1.4/2)

   (-0.1, -0.7)

   Let’s equate the midpoints in step two.

   The BD mid-point:

   (a + -2.3/2), (b + 2.2/2) =  (-0.1, -0.7)

   (a + -2.3/2) = -0.1

   (a -2.3/2) = -0.1*2

   a = -0.2+2.3

   a = 2.1

   (b + 2.2/2) = -0.7

   b + 2.2 = -0.7*2

   b + 2.2 = -1.4

   b = -1.4 -2.2

   b = -3.6

   Therefore, the fourth vertex’s coordinates are as follows: ( 2.1, -3.6)

   Know more about coordinates here:

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   Complete question:

   Freddy drew a plan for a rectangular piece of material that hehe will use for a blanket. Three of the vertices are ​( -2.3 and −3.6​), ​(−2.3​, and 2.2​), and ​(2.1​, and 2.2​). What are the coordinates of the fourth​ vertex?

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