From a train station, one train heads north and another heads east. Some time later, the northbound train has traveled 12 miles. If
the two trains separated by a straight-line distance of 20 miles,
how far has the eastbound train traveled?

In the diagram below what is the approximate length of the minor arc ab

With #! i’ve tried to figure it out but i can’t.

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.