| |
|
|
| |
 |
| Heights and Distances |
|
|
| (i) Angle of elevation, and |
| |
| (ii) Angle of depression. |
| |
| Angle of elevation |
| |
| Let O be the observer and P be the point under observation. Therefore, OP is the 'line of sight'. OQ is a line parallel to the horizontal plane. |
| |
  is called the angle of elevation. |
| |
 |
| |
 |
| |
| The point P, under observation, is at a higher level than the observer's position. |
| |
|
| |
| Let O be the observer and P be the point under observation. Therefore, OP is the 'line of sight'. OQ is a line parallel to the horizontal plane. |
| |
  is called the angle of depression. |
| |
 |
| |
|
|
| |
| The point P, under observation, is at a lower level than the observer's position. |
| |
|
|
| |
|
|
| |
|
|
|
|
|
Get FREE Live Tutoring
(No credit card required)
Customer Care
Click to get customer service, technical support and subscription help.
Refer-A-Friend
Get One Month Free!
When you refer a friend
|
|
|
