20. How is a degree of longitude or latitude further subdivided? Give an example,

Degrees of latitude and longitude can be further subdivided into minutes and

seconds (units of arc, not time): There are 60 minutes (') per degree, and 60

seconds (") per minute. For example, a coordinate might be written 65° 32' 15". ...

At the equator, it is approximately 69 miles, the same size as a degree of latitude.