| |
| A flagstaff stamdes on a horizontal plane, and from a point on the ground at a
distance 17.5 |
| feet its angle of elevation is |
 |
.find the height of the flagstaff? |
|
|
|
| |
| The horizontal distance between two towers is 27.5 feet. from the foot of the
first tower the |
| angle of wlwvation of the top of the second tower is |
|
from
the top of the second tower the |
| angle of depression of the top of the first tower
is |
 |
find the height of the towers? |
|
|
| |
|
From the top of a cliff the angles of dispression of two boats in the same vertical
plane at the |
| observers eye are |
|
E and |
 |
. If the distance the boats is
100 feet, find the height of the |
| cliff? |
|
|
|
|
|
|
| |
| The angles of elevation of the summit of a hill from the top and bottom of a
nearby tower are |
|
and |
|
respectively . If the height of the tower is h
show that the height of the hill is |
.GIF) |
? |
|
|
| |
| Find the height of a tower when it is found that on walking towards it 75 meters
in a horizontal |
| line through its base, the angular elevation of its top changes from |
|
to |
|
|
|
|
|
|
| The horizontal distance between two towers is 60 meter and the angular depression
of the top |
| the first as seen from the top of the second which is 150 meter height is |
|
; find the height |
| of the first tower? |
|
|
|
|
|
