Find the area of an equilateral triangle (regular 3-gon) with the given measurement.
6-inch side.
a = sq. in.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.