Is the sample representative of the population?

population: all football fans
sample: people in randomly selected seats at one football game

a representative
b not representative

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

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.

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi