A man wants to build around water fountain with diameter, d =97.53 feet. The man is trying to put up a fence around the building with some wire. What is the length of the wire that the man needs to complete the task?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?