A protractor acts in a similar way to a ruler in that it allows you to both measure and draw accurately. ... (0-180 degrees - pictured above ) and a circular (0-360 degrees ...

Longitude is basically a way of breaking the sphere into 360 degrees. However, we don't measure longitude all the way to 360°. Instead we have 0 to 180° East and 0 to 180° West.

A protractor acts in a similar way to a ruler in that it allows you to both measure and draw accurately. ... (0-180 degrees - pictured above ) and a circular (0-360 degrees ...