How did eratosthenes determine the circumference of the earth?

Jennifer is visiting her grandmother, who lives in the northeast corner of oklahoma. the region is home to many lakes, and jennifer enjoys canoeing on the illinois and grand rivers. to which region of oklahoma is she traveling? the prairie plains, the ozark plateau, the red river plains, the red beds plains

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

Which season has the least amount of rain in the northern latitudes