three figure bearings figure是什么意思思

来源：蜘蛛抓取(WebSpider) 时间：2016-06-08 17:10 标签： figure是什么意思
& Coordinates and bearingPage: NextThree-figure bearingsImagine that you are in the middle of the ocean. You are lost and you
cannot see any land. You radio for help and are told to turn 125° clockwise. But 125° from where? Which
direction should you be facing in the first place?
One sensible
idea is to start by facing north. This is the way that
3-figure bearings work.Always start by facing north, and always move in a clockwise direction.Angles of less than 100° are written with a '0' in front, to make them a 3-figure bearing. For example, 060°, 021°.Finding the bearing of A from BHere is an example. Imagine that you are at point B. You need to travel to point A. On which bearing should you travel?Start by facing north.Move clockwise to face A.Measure the clockwise angle between the north line and the line AB.QuestionFind the bearing of A from BAnswerDid you get 056°?Remember to write your answer as a 3-figure bearing.QuestionFind the bearing of A from BAnswerDid you get 200°?If so - well done. You noticed that the clockwise angle had been given to you.QuestionFind the bearing of A from BAnswerThe correct answer is 134°. Well done if you got it
right. If not, remember that we need the clockwise
angle between the north line and the line AB.Now try a Page: NextActivityNow to take a different angle on revision with this activity!LinksMake sure your maths skills add up.On bbc.co.ukOn the web
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