Question

The height of each pillar is:
(a) 50 m
(b) 30 m
(c) 60 m
(d)20root3m

Answer 1

Step-by-step explanation:

In △AOC,

tan60

o

=

x

h

∴x=

3

h

In △BOD,

tan30

o

=

100−x

h

3

1

=

100−x

h

100−x=h

3

100−h

3

=x x=

3

h

∴100−h

3

=

3

h

∴h=25

3

m

∴x=

3

h

=

3

25

3

∴x=25 m

∴OC=25 m and OD=75 m.

I hope it help you........