Annexation: The Lone Star State:Question 9 What incident sparked the U. S.-Mexican War?

A. Mexico would not acknowledge Texas' Independence which made the US angry.

B. Texas was annexed by the US.

C. Stephen F. Austin decided it was time to join Canada​

Here's link to the

tinyurl.com/wpazsebu

"exterior angles = 360 / number of sides.

60 = 360 / sides

sides = 360 / 60

sides = 6"

192/15 = 12.8.

12.8

step-by-step explanation:

192/15 is 12.8.

however, it says to round to the nearest foot, which would equal 13.