Question

A circus artist climbing a 20m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the length of the pole, if the angle made by the rope with the ground level is 30° ?

• A. 10 m
• B. 12 m
• C. 9 m
• D. 18 m

Answer 1

Answer:

A. 10 m

sin 30 = x/20 1/2 = x/ 20 x=10 m