Question

Example 5. There is a flag staff on a tower of height
20 m. At a point on the ground, the angles of elevation
of the foot and top of the flag are 45° and 60°,
respectively. Find the height of the flag staff.​

Answer 1

Answer:

tan45

0

=

x

20

⇒x=20m

tan60

0

=

x

h+20

⇒

3

=

20

h+20

⇒h=20(

−1=14.28m

ma