If you place a 39-foot ladder against the top of a building and the bottom of the ladder is 31 feet from the bottom of the building, how tall is the building?
Round to the nearest tenth of a foot.

Finding tbe values of the variables in each kite

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site

How many significant figures are there in the number 10.76?