1 / 11
Télécharger la présentation

Unit 3

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Unit 3 Finding distance and direction

  2. How to measure distance on a map? • Use a ruler and the scale of the map • What is the distance between Hong Kong and Beijing?

  3. How to measure direction?

  4. How to measure and show direction? There are three ways to show direction • Compass point • Whole circle bearing • Reduced bearing

  5. 1.Compass point N NW NE W E SW SE S

  6. 2.Whole circle bearing • Show the direction in bearings by using a protractor. • It starts from north in a clockwise direction. • The direction of one place from another is described by the number of degrees measuring from north.

  7. The whole circle bearing of Fuzhou from Hong Kong 45º

  8. 3. Reduced bearing • It shows the direction in degrees. • It starts either from northor south to east or west. • Besides giving the number of degrees, it is necessary to indicate from which direction (N or S) to which direction (E or W).

  9. 3. Reduced bearing N N36ºE N63ºW W E S23ºW S42ºE S

  10. The reduced bearingof Hong Kong from Fuzhou S45ºW

  11. Name the following ways of telling direction • Shanghai is at the northeast of Hong Kong. • Shanghai is 29 º from Hong Kong. • Shanghai is N 29 ºE from Hong Kong. • Compass point • Whole circle bearing • Reduced bearing

More Related