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rectangle
It is formed by the diagonal of a rectangle
The principal diagonal of the room also requires its height.
Using Pythagoras' theorem the length of the diagonal is 15 units
It is a rectangle.
considering you gave no additional information, it is impossible to know
Select any vertex.There are three faces that meet at that vertex. Find the vertex at which the other three faces meet. The line joining these two vertices is the principal diagonal of the rectangular prism.
No.
Draw a straight line segment connecting two opposite corners of one of the rectangular faces (a diagonal).
If the sides of a rectangle (not rectangular) are X and Y units, then the corner to corner length - the diagonal - is sqrt(X2 + Y2)
The dimensions given appear to describe a rectangular box, with 3 separate pairs of rectangles: 4X8 -> Diagonal is 8.944 ft 4X12 -> Diagonal is 12.649 ft 8X12 -> Diagonal is 14.422 ft
13 ft