Yes. But it is very rare. The tallest person who ever lived was Robert Wadlow who reached a height 8 ft 11.1 in.
It could be 12 feet by 14 feet or 21 feet by 8 square feet.
It could represent the area of an 8 feet by 8 feet square or the area of a 4 feet by 16 feet rectangle amongst other possibilities.
As far as we know, no one ever has; the tallest person for which there is reliable documentary evidence was Robert Wadlow, who was 8 feet 11.1 inches tall (and still growing ... he was only 22) at the time of his death. The tallest person living today is 8 feet 3 inches. Both of these had health problems related to their size. It seems unlikely that someone could survive to reach 11 feet tall.
There could be several sounds that cause you to get on your feet. It could be music, the sound of someone's voice, a fire alarm, or even someone attempting to break into your home.
it could be a medium van, 8 x 8 x 19 feet.
The area is 80 square feet
You can write 5 feet 8 and a quarter inches as 5' 8¼". Alternatively, you could express it in fractional form as 5 feet 8.25 inches.
up to 8 feet
8 feet X 8 feet = 64 square feet
is 8 feet 8 feet in linear feet
8 feet= 8 feet
Someone could go and watch some feet slave videos at plenty of websites online. One of these websites one could go to would be "Fapdu". They provide many videos.