Question

a circus artisting a 20m rope which is tightly stretched and tied from the top of a vertical pole to the ground. if the angle made by the rope with the ground level is 30° . the height of the pole is​

Answer 1

Answer:

Let AC be the rope whose length is 20 m, and AB be the vertical pole of height h m and the angle of elevation of A at point C on the ground is 30°. Hence, the height of the pole is 10 m.

Answer 2

Answer:

10m

Step-by-step explanation:

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

∠ACB = 30° and AC = 20 m

In right △ ABC,

sin 30° =  AB/AC  

∴ 1/2 = AB/20

Thus, AB = 10 m

Therefore, the height of the pole is 10 m.

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