In the isosceles ABC, points D and F are on leg CB while point F is on leg AB so that AC = AD = DE = EF = BF. Find the measures of the angles of ABC.

How do you summarize data in a two-way frequency table?

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?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?