Solve the Problem $5 \mathrm {~m}$ Down from the Top of the Dome the Ceiling Is

Solve the problem.
-A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If $5 \mathrm {~m}$ down from the top of the dome the ceiling is $23 \mathrm {~m}$ wide, find the best location for the light source.

A) $26.5 \mathrm {~m}$ down from the top
B) $19.8 \mathrm {~m}$ down from the top
C) $13.2 \mathrm {~m}$ down from the top
D) $6.6 \mathrm {~m}$ down from the top

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free