How does where and how people live impact global cultural, political, and economic patterns?

:calculate the sum of the interior angles of a 13-sided polygon.

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles