Question

A circus artist is climbing on 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. find the height of the pole if the angle made by the rope with the ground level is 30 degree. please answer this question as soon as possible with a clear explanation..

Answer 1

ANSWER

Let AB be the vertical pole and CA be the rope. Then,

∠ACB=30

o

and AC=20 m

In right △ ABC,

sin30

o

=

AC

AB

2

1

=

20

AB

AB=10 m

Therefore, the height of the pole is 10 m.