I # at the stated problems that deal with latitudes, longitudes, etc. Would someone please help me on problems such as the following?
Tokyo, Japan and Tehran, Iran lie on a latitude of [unparseable or potentially dangerous latex formula] and longitudes of [unparseable or potentially dangerous latex formula] East and [unparseable or potentially dangerous latex formula] East, respectively. What is the length of the line of constant latitude between these two cities?
On the equator at the vernal equinox, at noon a straight stick driven vertically into the ground casts no shadow. What is the percent difference in the lengths of its shadow measured at 1:45 PM and 2:30 PM?