What's your height? My height is 5'2 and a half.
My height is 5'9. Where did the term height come from?
Oh, the word height is derived from an Old English term 'heah'! Which, was originated by Proto-Germanic "xauxa-z"
Who is the tallest person in the world?
I believe the tallest man in the world that's currently living is Sultan Kosen!
What can you information can you gain about a person just from their height?
I feel like you won't gain much information about a person based on their height. Maybe just abstract stereotypes. Like for example basketball players being super tall.
Interesting. Are height and altitude related?
Yes, I think they are. Altitude is used to describe how high a mountain is from sea level. 
How can height be used in mathematics?