Question

6
EXER
ircus artist is climbing a 20 m long rop
ched and tied from the top of a vertical
the height of the pole, if the angle mac
ound level is 30° (see Fig. 9.18).
breaks due to storm and the broken p
the tree touches the ground making​

Answer 1

Step-by-step explanation:

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

∠ACB=30 degreeand AC=20 m

In right △ ABC,

sin30 degree   = AB  /AC

1 /2 =  AB /20

AB=10 m

Therefore, the height of the pole is 10 m.

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