Answer:
the angle of this is 80 all havevtobdo is add all the sides of the angle
6520 is the answer.
6.52 * 10^3 === 6.52 * 1000 = 6520
I think the answer is
42.5
not sure but hope this helps
36 engies divied by 2 =18 so rows of 18 engies
72 box cars divied by 4=18 so you 4 rows of boxcars with 18 in each 18 cabooses is just 1 row with 18 cabooses in it