Aboy walks 165 feet up a ramp having a 30(deg) inclination. how high is he standing from the ground?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

Having a hard time understanding this question (see attachment).

What rotation was applied to triangle def to create d’e’f’?