227k views
2 votes
r = 13.1 km., d = ? , C = ? a. d = 26.2 km, C = 82.31 km c. d = 6.55 km, C = 82.31 km b. d = 26.2 km, C = 41.15 km d. d = 6.55 km, C = 41.15 km

User Poss
by
6.7k points

1 Answer

7 votes
answer is a. d = 26.2 km, C = 82.31 km

D = 2r = 2 x 13.1 = 26.2
C = 2pi r = 2 x 3.14159265359 x 13.1
C = 82.31

User MBN
by
7.3k points