Teacher2Teacher Q&A #193

Teachers' Lounge Discussion: Trigonometry Ratios

T2T || FAQ || Ask T2T || Teachers' Lounge || Browse || Search || T2T Associates || About T2T
 View entire discussion [<< prev] [ next >>] ```From: Loyd To: Teacher2Teacher Public Discussion Date: 2001081714:25:26 Subject: Re: angle of elevation On 17 Aug 01 13:20:32 -0400 (EDT), Waqas Badar wrote: >In often maths problem,there written 'The anle of elevation'.What >is mean by elevation? > The angle of elevation is the angle that is made with the horizontal and and the line of sight that an object makes with your eye. Assume you are at A and looking at B: B /| / | / | / | A /----|C AC is the horizontal and AB is the line of sight from A to object B. Angle BAC is the angle of elevation. If you are at B and looking down, then Angle ABC is the angle of depression. One is the angle made when looking up (elevation) and the other is the angle made when looking down (depression). ```

Teacher2Teacher - T2T ®
© 1994- The Math Forum at NCTM. All rights reserved.
http://mathforum.org/