A right rectangular pyramid is shown. The height of the pyramid is 12 units. The length and width of the base are 6 units and 8 units, as shown. Point F is the midpoint of line segment AB. Point E is directly above the center of rectangle ABCD.

Round all answers to the nearest hundredth place, if necessary.
The length of segment DB is__
units.
The length of segment EB is__
units.
The length of segment EF is about __
units.

2 answers

you don't say whether AB is 6 or 8
Whatever, if O is the center of the base, then
DB^2 = 6^2+8^2
EF^2 = (AB/2)^2 + 12^2
EB^2 = OB^2 + 12^2
no