heyy guys me and my friends are struggling on this question on our post test in anyone know how to do it could u lend a hand :(

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Is the figure congruent? yes or no?