Alogo for a pizza parlor is shaped like and equilateral triangle. what are two other ways you could classify this shape

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?