# For the cuboid below: a. write down the coordinates of point B. b. write down the coordinates of point A. c. find the coordinates of the midpoint, M, of the diagonal [AO] of the cuboid.

For the cuboid below: a. write down the coordinates of point B.
b. write down the coordinates of point A.
c. find the coordinates of the midpoint, M, of the diagonal [AO] of the cuboid.
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Bentley Leach
a.In 3D, the point is in the form (x,y,z). Using the given graph, B has x=6, y=7, and z=0 so its coordinates are:
(6,7,0)
b.In 3D, the point is in the form (x,y,z). Using the given graph, A has x=6, y=7, and z=4 so its coordinates are:
(6,7,4)
c.The midpoint formula for two points (x1,y1,z1) and (x2,y2,z2) is given by:
$\left(\frac{x1+x2}{1},\frac{y1+y2}{2},\frac{z1+z2}{2}\right)$
Since A(6,7,4) and O(0,0,0), the midpoint M is at: $\frac{6+0}{2},\frac{7+0}{2},\frac{4+0}{2}\right)=\left(3,3.5,2\right)$